300 (three hundred) is the
natural number
In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country").
Numbers used for counting are called ''Cardinal n ...
following
299
__NOTOC__
Year 299 (Roman numerals, CCXCIX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Diocletian and Maximian (or, l ...
and preceding
301
__NOTOC__
Year 301 (Roman numerals, CCCI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Postumius and Nepotianus (or, less freque ...
.
Mathematical properties
The number 300 is a
triangular number
A triangular number or triangle number counts objects arranged in an equilateral triangle. Triangular numbers are a type of figurate number, other examples being square numbers and cube numbers. The th triangular number is the number of dots in ...
and the sum of a pair of
twin prime
A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43). In other words, a twin prime is a prime that has a prime gap of two. Sometimes the term ''twin pr ...
s (149 + 151), as well as the sum of ten consecutive primes (13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47).
It is palindromic in 3 consecutive bases: 300
10 = 606
7 = 454
8 = 363
9, and also in base 13. Factorization is
30064 + 1 is prime
Other fields
Three hundred is:
* In
bowling
Bowling is a target sport and recreational activity in which a player rolls a ball toward pins (in pin bowling) or another target (in target bowling). The term ''bowling'' usually refers to pin bowling (most commonly ten-pin bowling), though ...
, a perfect score, achieved by rolling
strikes
Strike may refer to:
People
*Strike (surname)
Physical confrontation or removal
*Strike (attack), attack with an inanimate object or a part of the human body intended to cause harm
*Airstrike, military strike by air forces on either a suspected ...
in all ten frames (a total of twelve strikes)
* The lowest possible
Fair Isaac credit score
* Three hundred ft/s is the maximum legal speed of a shot paintball
* In the
Hebrew Bible
The Hebrew Bible or Tanakh (;["Tanach"](_blank)
''Random House Webster's Unabridged Dictionary''. Hebrew: ''Tān ...
, the size of the military force deployed by the
Israelite
The Israelites (; , , ) were a group of Semitic-speaking tribes in the ancient Near East who, during the Iron Age, inhabited a part of Canaan.
The earliest recorded evidence of a people by the name of Israel appears in the Merneptah Stele o ...
judge
A judge is a person who presides over court proceedings, either alone or as a part of a panel of judges. A judge hears all the witnesses and any other evidence presented by the barristers or solicitors of the case, assesses the credibility an ...
Gideon
Gideon (; ) also named Jerubbaal and Jerubbesheth, was a military leader, judge and prophet whose calling and victory over the Midianites are recounted in of the Book of Judges in the Hebrew Bible.
Gideon was the son of Joash, from the Abiez ...
against the
Midianites ()
* According to
Islamic
Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God (or '' Allah'') as it was revealed to Muhammad, the mai ...
tradition, 300 is the number of ancient Israeli king
Thalut's soldiers victorious against
Goliath
Goliath ( ) ''Goləyāṯ''; ar, جُليات ''Ǧulyāt'' (Christian term) or (Quranic term). is a character in the Book of Samuel, described as a Philistine giant
In folklore, giants (from Ancient Greek: ''gigas'', cognate giga-) a ...
's soldiers
* According to Herodotus, 300 is the number of ancient
Spartans
Sparta (Doric Greek: Σπάρτα, ''Spártā''; Attic Greek: Σπάρτη, ''Spártē'') was a prominent city-state in Laconia, in ancient Greece. In antiquity, the city-state was known as Lacedaemon (, ), while the name Sparta referred t ...
resisting one million Persian invaders during the
Battle of Thermopylae
The Battle of Thermopylae ( ; grc, Μάχη τῶν Θερμοπυλῶν, label=Greek, ) was fought in 480 BC between the Achaemenid Persian Empire under Xerxes I and an alliance of Greek city-states led by Sparta under Leonidas I. Lasting o ...
* In Islamic history, 300 is the number of Muhammad's followers victorious in the
Battle of Badr
The Battle of Badr ( ar, غَزْوَةُ بَدِرْ ), also referred to as The Day of the Criterion (, ) in the Quran, Qur'an and by Muslims, was fought on 13 March 624 CE (17 Ramadan (calendar month), Ramadan, 2 Anno Hegirae, AH), near the ...
* Three hundred is the number of families followers of Jewish heretic
Sabbatai Zevi forced to convert to Islam by the Sultan of the Ottoman Empire and became the ancestors of
Donmeh
* Three hundred is the number of seats in the
Hellenic parliament
The Hellenic Parliament ( el, Ελληνικό Κοινοβούλιο, Elliniko Kinovoulio; formally titled el, Βουλή των Ελλήνων, Voulí ton Ellínon, Boule (ancient Greece), Boule of the Greeks, Hellenes, label=none), also kno ...
* 3hunnid, a gang collective of the
Black Disciples, famous for including rappers like
Chief Keef
Keith Farrelle Cozart (born August 15, 1995), better known by his stage name Chief Keef, is an American rapper, singer, songwriter and record producer. His music first became popular during his teen years in the early 2010s among high school s ...
and
Lil Durk
Durk Derrick Banks (born October 19, 1992), known professionally as Lil Durk, is an American rapper and singer. He is the lead member and founder of the collective and record label Only the Family (OTF). Durk garnered a cult following with the ...
.
Integers from 301 to 399
300s
301
301 = 7 × 43 =
. 301 is the sum of three consecutive primes (97 + 101 + 103),
happy number in base 10,
lazy caterer number .
An
HTTP status code
This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, ...
, indicating the content has been moved and the change is permanent (permanent redirect). It is also the number of a debated
Turkish penal code
Turkish may refer to:
*a Turkic language spoken by the Turks
* of or about Turkey
** Turkish language
*** Turkish alphabet
** Turkish people, a Turkic ethnic group and nation
*** Turkish citizen, a citizen of Turkey
*** Turkish communities and mi ...
.
302
302 = 2 × 151. 302 is a
nontotient,
a happy number,
the number of partitions of 40 into prime parts
302 is the
HTTP status code
This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, ...
indicating the content has been moved (temporary redirect). It is also the displacement in cubic inches of
Ford's "5.0" V8 and the area code for the state of Delaware.
303
303 = 3 × 101. 303 is a palindromic semiprime. The number of compositions of 10 which cannot be viewed as stacks is 303.
303 is the
"See other" HTTP status code, indicating content can be found elsewhere. Model number of the
Roland TB-303 synthesizer which is accredited as having been used to create the first
acid house
Acid house (also simply known as just "acid") is a subgenre of house music developed around the mid-1980s by DJs from Chicago. The style is defined primarily by the squelching sounds and basslines of the Roland TB-303 electronic bass synthesiz ...
music tracks, in the late 1980s.
304
304 = 2
4 × 19. 304 is the sum of six consecutive primes (41 + 43 + 47 + 53 + 59 + 61), sum of eight consecutive primes (23 + 29 + 31 + 37 + 41 + 43 + 47 + 53),
primitive semiperfect number
Primitive may refer to:
Mathematics
* Primitive element (field theory)
* Primitive element (finite field)
* Primitive cell (crystallography)
* Primitive notion, axiomatic systems
* Primitive polynomial (disambiguation), one of two concepts
* Primi ...
,
untouchable number
An untouchable number is a positive integer that cannot be expressed as the sum of all the proper divisors of any positive integer (including the untouchable number itself). That is, these numbers are not in the image of the aliquot sum function. ...
,
nontotient.
304 is the smallest number such that no square has a set of digits complementary to the digits of the square of 304: The square of 304 is 92416, while no square exists using the set of the complementary digits 03578.
304 is the HTTP code indicating the content has not been modified, and the record number of wickets taken in English cricket season by
Tich Freeman
Alfred Percy "Tich" Freeman (17 May 1888 – 28 January 1965) was an English first-class cricketer. A leg spin bowler for Kent County Cricket Club and England, he is the only man to take 300 wickets in an English season, and is the second most p ...
in 1928.
304
Year 304 ( CCCIV) was a leap year starting on Saturday A leap year starting on Saturday is any year with 366 days (i.e. it includes 29 February) that begins on Saturday, 1 January, and ends on Sunday, 31 December. Its dominical letters hence ...
is also the name of a card game popular in Sri Lanka and southern India.
It is also one of the telephone area codes for West Virginia.
305
305 = 5 × 61. 305 is the convolution of the first 7 primes with themselves.
305 is the HTTP status code indicating a proxy must be used.
305 cm is the hight of a basketball hoop.
306
306 = 2 × 3
2 × 17. 306 is the sum of four consecutive primes (71 + 73 + 79 + 83),
pronic number,
and an untouchable number.
It is also a
telephone area code
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...
for the province of
Saskatchewan
Saskatchewan ( ; ) is a Provinces and territories of Canada, province in Western Canada, western Canada, bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and on t ...
, Canada.
307
307 is a
prime number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways ...
,
Chen prime,
number of one-sided
octiamonds and the HTTP status code for "temporary redirect"
308
308 = 2
2 × 7 × 11. 308 is a nontotient,
totient sum of the first 31 integers, heptagonal pyramidal number, and the sum of two consecutive primes (151 + 157).
309
309 = 3 × 103,
Blum integer, number of primes <= 2
11.
310s
310
310 = 2 × 5 × 31. 310 is a
sphenic number,
noncototient,
number of Dyck 11-paths with strictly increasing peaks.
311
311 is a prime number.
4311 - 3311 is prime
312
312 = 2
3 × 3 × 13,
idoneal number.
313
313 is a prime number.
314
314 = 2 × 157. 314 is a
nontotient,
smallest composite number in Somos-4 sequence.
315
315 = 3
2 × 5 × 7 =
rencontres number In combinatorial mathematics, the rencontres numbers are a triangular array of integers that enumerate permutations of the set with specified numbers of fixed points: in other words, partial derangements. (''Rencontre'' is French for ''encounter' ...
, highly composite odd number, having 12 divisors.
316
316 = 2
2 × 79. 316 is a
centered triangular number and a
centered heptagonal number
317
317 is a prime number,
Eisenstein prime with no imaginary part, Chen prime,
and a strictly non-palindromic number.
317 is the exponent (and number of ones) in the fourth base-10
repunit prime
In recreational mathematics, a repunit is a number like 11, 111, or 1111 that contains only the digit 1 — a more specific type of repdigit. The term stands for repeated unit and was coined in 1966 by Albert H. Beiler in his book ''Recreat ...
.
317 is also shorthand for the
LM317 adjustable regulator chip. It is also the area code for the
Indianapolis
Indianapolis (), colloquially known as Indy, is the state capital and most populous city of the U.S. state of Indiana and the seat of Marion County. According to the U.S. Census Bureau, the consolidated population of Indianapolis and Marion ...
region.
318
318 = 2 × 3 × 53. It is a
sphenic number,
nontotient,
and the sum of twelve consecutive primes (7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47)
319
319 = 11 × 29. 319 is the sum of three consecutive primes (103 + 107 + 109),
Smith number,
cannot be represented as the sum of fewer than 19 fourth powers,
happy number in base 10
"319" is a song by
Prince
A prince is a male ruler (ranked below a king, grand prince, and grand duke) or a male member of a monarch's or former monarch's family. ''Prince'' is also a title of nobility (often highest), often hereditary, in some European states. Th ...
.
British Rail Class 319s are dual-voltage electric multiple unit trains
320s
320
320 = 2
6 × 5 = (2
5) × (2 × 5). 320 is a
Leyland number In number theory, a Leyland number is a number of the form
:x^y + y^x
where ''x'' and ''y'' are integers greater than 1. They are named after the mathematician Paul Leyland. The first few Leyland numbers are
: 8, 17, 32, 54, 57, 100, 145, 177, ...
,
and
maximum determinant of a 10 by 10 matrix of zeros and ones. A popular
bitrate.
321
321 = 3 × 107, a
Delannoy number
In mathematics, a Delannoy number D describes the number of paths from the southwest corner (0, 0) of a rectangular grid to the northeast corner (''m'', ''n''), using only single steps north, northeast, or east. The Delannoy numbers are named aft ...
An
area code
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...
in central
Florida
Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
.
322
322 = 2 × 7 × 23. 322 is a
sphenic,
nontotient,
untouchable
Untouchable or The Untouchable may refer to:
People
* Untouchability, the practice of socially ostracizing a minority group of very low social status
** A word for the Dalits or Scheduled Caste of India, a group that experiences untouchability
* ...
,
and a
Lucas number.
It is also seen as a
Skull and Bones reference of power
323
323 = 17 × 19. 323 is the sum of nine consecutive primes (19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53), the sum of the 13 consecutive primes (5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47),
Motzkin number. A Lucas and
Fibonacci pseudoprime. ''See
323 (disambiguation) 323 may refer to:
*The year 323 BC
*The year 323 AD
*The number 323
*Area code 323, the North American area code
*323 Brucia, an asteroid
*Mazda 323, the widely used alternative name of the Mazda Familia motorcar
*British Rail Class 323
The ...
''
324
324 = 2
2 × 3
4 = 18
2. 324 is the sum of four consecutive primes (73 + 79 + 83 + 89), totient sum of the first 32 integers, a square number, and an untouchable number.
325
325 = 5
2 × 13. 325 is a triangular number,
hexagonal number,
nonagonal number A nonagonal number (or an enneagonal number) is a figurate number that extends the concept of triangular number, triangular and square numbers to the nonagon (a nine-sided polygon). However, unlike the triangular and square numbers, the patterns inv ...
,
centered nonagonal number
A centered nonagonal number (or centered enneagonal number) is a centered figurate number that represents a nonagon with a dot in the center and all other dots surrounding the center dot in successive nonagonal layers. The centered nonagonal n ...
. 325 is the smallest number to be the sum of two squares in 3 different ways: 1
2 + 18
2, 6
2 + 17
2 and 10
2 + 15
2. 325 is also the smallest (and only known) 3-
hyperperfect number In mathematics, a ''k''-hyperperfect number is a natural number ''n'' for which the equality ''n'' = 1 + ''k''(''σ''(''n'') − ''n'' − 1) holds, where ''σ''(''n'') is the divisor function (i.e., the sum of all positive divisors of ''n ...
.
326
326 = 2 × 163. 326 is a nontotient, noncototient,
and an untouchable number.
326 is the sum of the 14 consecutive primes (3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47), lazy caterer number .
327
327 = 3 × 109. 327 is a
perfect totient number In number theory, a perfect totient number is an integer that is equal to the sum of its iterated totients. That is, we apply the totient function to a number ''n'', apply it again to the resulting totient, and so on, until the number 1 is reached, ...
,
number of compositions of 10 whose run-lengths are either weakly increasing or weakly decreasing
328
328 = 2
3 × 41. 328 is a
refactorable number
A refactorable number or tau number is an integer ''n'' that is divisible by the count of its divisors, or to put it algebraically, ''n'' is such that \tau(n)\mid n. The first few refactorable numbers are listed in as
: 1, 2, 8, 9, 12, 18, ...
,
and it is the sum of the first fifteen primes (2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47).
329
329 = 7 × 47. 329 is the sum of three consecutive primes (107 + 109 + 113), and a
highly cototient number In number theory, a branch of mathematics, a highly cototient number is a positive integer k which is above 1 and has more solutions to the equation
:x - \phi(x) = k
than any other integer below k and above 1. Here, \phi is Euler's totient fun ...
.
330s
330
330 = 2 × 3 × 5 × 11. 330 is sum of six consecutive primes (43 + 47 + 53 + 59 + 61 + 67),
pentatope number
A pentatope number is a number in the fifth cell of any row of Pascal's triangle starting with the 5-term row , either from left to right or from right to left.
The first few numbers of this kind are:
: 1, 5, 15, 35, 70, 126, 210, 330, 495 ...
(and hence a
binomial coefficient
In mathematics, the binomial coefficients are the positive integers that occur as coefficients in the binomial theorem. Commonly, a binomial coefficient is indexed by a pair of integers and is written \tbinom. It is the coefficient of the t ...
), a
pentagonal number,
divisible by the number of primes below it, and a
sparsely totient number In mathematics, a sparsely totient number is a certain kind of natural number. A natural number, ''n'', is sparsely totient if for all ''m'' > ''n'',
:\varphi(m)>\varphi(n)
where \varphi is Euler's totient function. The first few sparsely totien ...
.
331
331 is a prime number, super-prime,
cuban prime,
sum of five consecutive primes (59 + 61 + 67 + 71 + 73),
centered pentagonal number,
centered hexagonal number
In mathematics and combinatorics, a centered hexagonal number, or hex number, is a centered figurate number that represents a hexagon with a dot in the center and all other dots surrounding the center dot in a hexagonal lattice. The following ...
,
and
Mertens function returns 0.
332
332 = 2
2 × 83, Mertens function returns 0.
333
333 = 3
2 × 37, Mertens function returns 0,
Symbolically, 333 is used to represent
Choronzon, a demon used in the philosophy of
Thelema.
334
334 = 2 × 167, nontotient.
334 was the long-time highest score for
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
in
Test cricket
Test cricket is a form of first-class cricket played at international level between teams representing full member countries of the International Cricket Council (ICC). A match consists of four innings (two per team) and is scheduled to last fo ...
(held by
Sir Donald Bradman
Sir Donald George Bradman, (27 August 1908 – 25 February 2001), nicknamed "The Don", was an Australian international cricketer, widely acknowledged as the greatest batsman of all time. Bradman's career Test batting average of 99.94 has bee ...
and
Mark Taylor). ''
334
__NOTOC__
Year 334 ( CCCXXXIV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Optatus and Caesonius (or, less frequently, year 1087 ...
'' is also the name of a science fiction novel by
Thomas M. Disch
Thomas Michael Disch (February 2, 1940 – July 4, 2008) was an American science fiction author and poet. He won the Hugo Award for Best Related Book – previously called "Best Non-Fiction Book" – in 1999, and he had two other Hugo nomination ...
.
335
335 = 5 × 67, divisible by the number of primes below it, number of
Lyndon words of length 12.
336
336 = 2
4 × 3 × 7, untouchable number,
number of partitions of 41 into prime parts.
Also the number of dimples on an American
golf ball.
337
337,
prime number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways ...
,
emirp
An emirp (''prime'' spelled backwards) is a prime number that results in a different prime when its decimal digits are reversed. This definition excludes the related palindromic primes. The term ''reversible prime'' is used to mean the same as ...
, permutable prime with 373 and 733, Chen prime,
star number
A star number is a centered figurate number, a centered hexagram (six-pointed star), such as the Star of David, or the board Chinese checkers is played on.
The ''n''th star number is given by the formula ''Sn'' = 6''n''(''n'' − 1) + 1. The ...
338
338 = 2 × 13
2, nontotient, number of square (0,1)-matrices without zero rows and with exactly 4 entries equal to 1.
339
339 = 3 × 113,
Ulam number
In mathematics, the Ulam numbers comprise an integer sequence devised by and named after Stanislaw Ulam, who introduced it in 1964. The standard Ulam sequence (the (1, 2)-Ulam sequence) starts with ''U''1 = 1 and ''U''2 =&nbs ...
340s
340
340 = 2
2 × 5 × 17, sum of eight consecutive primes (29 + 31 + 37 + 41 + 43 + 47 + 53 + 59), sum of ten consecutive primes (17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53), sum of the first four powers of
4 (4
1 + 4
2 + 4
3 + 4
4), divisible by the number of primes below it, nontotient, noncototient.
Number o
regionsformed by drawing the line segments connecting any two of the 12 perimeter points of a 3 times 3 grid of squares and .
341
341 = 11 × 31, sum of seven consecutive primes (37 + 41 + 43 + 47 + 53 + 59 + 61),
octagonal number
An octagonal number is a figurate number that represents an octagon. The octagonal number for ''n'' is given by the formula 3''n''2 - 2''n'', with ''n'' > 0. The first few octagonal numbers are
: 1, 8, 21, 40, 65, 96, 133, 176, 225, 280, 341 ...
,
centered cube number
A centered cube number is a centered figurate number that counts the number of points in a three-dimensional pattern formed by a point surrounded by concentric cubical layers of points, with points on the square faces of the th layer. Equival ...
,
super-Poulet number.
341 is the smallest
Fermat pseudoprime; it is the ''least'' ''composite'' ''odd'' modulus ''m'' greater than the base ''b'', that satisfies the ''Fermat'' property "''b''
''m''−1 − 1 is divisible by ''m''", for bases up to 128 of b = 2, 15, 60, 63, 78, and 108.
342
342 = 2 × 3
2 × 19, pronic number,
Untouchable number.
343
343 = 7
3, the first nice
Friedman number that is composite since 343 = (3 + 4)
3. It's the only known example of x
2+x+1 = y
3, in this case, x=18, y=7. It is z
3 in a triplet (x,y,z) such that x
5 + y
2 = z
3.
The
speed of sound
The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At , the speed of sound in air is about , or one kilometre in or one mile in . It depends strongly on temperature as w ...
in dry air at is 343 m/s (1,234.8 km/h)
344
344 = 2
3 × 43,
octahedral number, noncototient,
totient sum of the first 33 integers, refactorable number.
345
345 = 3 × 5 × 23, sphenic number,
idoneal number
346
346 = 2 × 173, Smith number,
noncototient.
347
347 is a prime number,
emirp
An emirp (''prime'' spelled backwards) is a prime number that results in a different prime when its decimal digits are reversed. This definition excludes the related palindromic primes. The term ''reversible prime'' is used to mean the same as ...
,
safe prime,
Eisenstein prime with no imaginary part,
Chen prime,
Friedman prime since 347 = 7
3 + 4, and a strictly non-palindromic number.
It is the
number of an area code in New York.
348
348 = 2
2 × 3 × 29, sum of four consecutive primes (79 + 83 + 89 + 97),
refactorable number
A refactorable number or tau number is an integer ''n'' that is divisible by the count of its divisors, or to put it algebraically, ''n'' is such that \tau(n)\mid n. The first few refactorable numbers are listed in as
: 1, 2, 8, 9, 12, 18, ...
.
349
349, prime number, sum of three consecutive primes (109 + 113 + 127), 5
349 - 4
349 is a prime number, since 1976 the number of seats in the
Swedish parliament
The Riksdag (, ; also sv, riksdagen or ''Sveriges riksdag'' ) is the legislature and the supreme decision-making body of Sweden. Since 1971, the Riksdag has been a unicameral legislature with 349 members (), elected proportionally and s ...
.
349 was the winning number of the
Pepsi Number Fever
Pepsi Number Fever, also known as the 349 incident, was a promotion held by PepsiCo in the Philippines in 1992, which led to riots and the deaths of at least five people.
Promotion
In February 1992, Pepsi Philippines (PCPPI) announced that t ...
grand prize draw on May 25, 1992, which had been printed on 800,000 bottles instead of the intended two. The resulting riots and lawsuits became known as the
349 incident
Pepsi Number Fever, also known as the 349 incident, was a promotion held by PepsiCo in the Philippines in 1992, which led to riots and the deaths of at least five people.
Promotion
In February 1992, Pepsi Philippines (PCPPI) announced that t ...
.
350s
350
350 = 2 × 5
2 × 7 =
, primitive semiperfect number,
divisible by the number of primes below it, nontotient, a truncated icosahedron of frequency 6 has 350 hexagonal faces and 12 pentagonal faces.
350.org
350.org is an international environmental organization addressing the climate crisis. Its stated goal is to end the use of fossil fuels and transition to renewable energy by building a global, grassroots movement.
The 350 in the name stands fo ...
is an international environmental organization. 350 is the number of cubic inches displaced in the most common form of the Small Block Chevrolet V8. The number of seats in the
Congress of Deputies (Spain)
The Congress of Deputies ( es, link=no, Congreso de los Diputados, italic=unset) is the lower house of the Cortes Generales, Spain's legislative branch. The Congress meets in the Palace of the Parliament () in Madrid.
It has 350 members ele ...
is 350.
351
351 = 3
3 × 13, triangular number, sum of five consecutive primes (61 + 67 + 71 + 73 + 79), member of
Padovan sequence
In number theory, the Padovan sequence is the sequence of integers ''P''(''n'') defined. by the initial values
:P(0)=P(1)=P(2)=1,
and the recurrence relation
:P(n)=P(n-2)+P(n-3).
The first few values of ''P''(''n'') are
:1, 1, 1, 2, 2, 3, 4, 5 ...
and number of compositions of 15 into distinct parts.
It is also the
351 Windsor engine from
Ford Motor Company
Ford Motor Company (commonly known as Ford) is an American multinational automobile manufacturer headquartered in Dearborn, Michigan, United States. It was founded by Henry Ford and incorporated on June 16, 1903. The company sells automobi ...
as well as the
351 (building)
351 (stylized III one) is a 165,000-square-foot office building. The high-rise is in downtown St. John's, Newfoundland and Labrador, at 351 Water Street. The office building is the first to be constructed downtown in 25 years and was completed ...
in
St. John's, Newfoundland and Labrador
St. John's is the capital and largest city of the Canadian province of Newfoundland and Labrador, located on the eastern tip of the Avalon Peninsula on the island of Newfoundland.
The city spans and is the easternmost city in North America ...
.
352
352 = 2
5 × 11, the number of
n-Queens Problem
The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal. There are 92 solutions. ...
solutions for n = 9. It is the sum of two consecutive primes (173 + 179), lazy caterer number .
The number of
international appearances by
Kristine Lilly for the
USA women's national
football (soccer)
Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players who primarily use their feet to propel the ball around a rectangular field called a pitch. The objective of the game is ...
team, an all-time record for the sport.
The country calling code for
Luxembourg
Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...
353
353 is a prime number, Chen prime,
Proth prime, Eisenstein prime with no imaginary part, palindromic prime, and Mertens function returns 0.
353 is the base of the smallest 4th power that is the sum of 4 other 4th powers, discovered by Norrie in 1911: 353
4 = 30
4 + 120
4 + 272
4 + 315
4. 353 is an index of a prime Lucas number.
354
354 = 2 × 3 × 59 = 1
4 + 2
4 + 3
4 + 4
4, sphenic number,
nontotient, also
SMTP code meaning start of mail input. It is also sum of
absolute value
In mathematics, the absolute value or modulus of a real number x, is the non-negative value without regard to its sign. Namely, , x, =x if is a positive number, and , x, =-x if x is negative (in which case negating x makes -x positive), an ...
of the
coefficient
In mathematics, a coefficient is a multiplicative factor in some term of a polynomial, a series, or an expression; it is usually a number, but may be any expression (including variables such as , and ). When the coefficients are themselves var ...
s of
Conway's polynomial.
355
355 = 5 × 71, Smith number,
Mertens function returns 0,
divisible by the number of primes below it.
the numerator of the best simplified rational approximation of pi having a denominator of four digits or fewer. This fraction (355/113) is known as
Milü
Milü (; "close ratio"), also known as Zulü ( Zu's ratio), is the name given to an approximation to (pi) found by Chinese mathematician and astronomer Zu Chongzhi in the 5th century. Using Liu Hui's algorithm (which is based on the areas of r ...
and provides an extremely accurate approximation for pi.
356
356 = 2
2 × 89, Mertens function returns 0.
357
357 = 3 × 7 × 17,
sphenic number.
357 also refers to firearms or ammunition of .357 caliber, with the best-known cartridge of that size being the
.357 Magnum
The .357 Smith & Wesson Magnum, .357 S&W Magnum, .357 Magnum, or 9×33mmR as it is known in unofficial metric designation, is a smokeless powder cartridge with a bullet diameter. It was created by Elmer Keith, Phillip B. Sharpe, and Douglas B. ...
. The
.357 SIG
The .357 SIG (designated as the 357 Sig by the SAAMI and 357 SIG by the C.I.P. or 9×22mm in unofficial metric notation) is a bottlenecked rimless centerfire handgun cartridge developed by the Swiss- German firearms manufacturer SIG Sauer, ...
, whose name was inspired by the performance of the .357 Magnum, is actually a 9 mm or .355 caliber.
358
358 = 2 × 179, sum of six consecutive primes (47 + 53 + 59 + 61 + 67 + 71), Mertens function returns 0,
number of ways to partition and then partition each cell (block) into subcells. It is the
country calling code
Country calling codes or country dial-in codes are telephone number prefixes for reaching telephone subscribers in the networks of the member countries or regions of the International Telecommunication Union (ITU). The codes are defined by the ...
for
Finland
Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
.
359
359 is a prime number, safe prime,
Eisenstein prime with no imaginary part, Chen prime,
and strictly non-palindromic number.
360s
360
360 = triangular matchstick number.
361
361 = 19
2, centered triangular number,
centered octagonal number,
centered decagonal number, member of the
Mian–Chowla sequence; also the number of positions on a standard 19 x 19
Go board. The
Bahá'í calendar is based on 19 months of 19 days each.
362
362 = 2 × 181 = σ
2(19): sum of squares of divisors of 19, Mertens function returns 0,
nontotient, noncototient.
363
363 = 3 × 11
2, sum of nine consecutive primes (23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59), Mertens function returns 0,
perfect totient number.
364
364 = 2
2 × 7 × 13,
tetrahedral number, sum of twelve consecutive primes (11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53), Mertens function returns 0,
nontotient.
It is a
repdigit in base 3 (111111), base 9 (444), base 25 (EE), base 27 (DD), base 51 (77) and base 90 (44).
The total number of gifts received in the song "
The Twelve Days of Christmas
The Twelve Days of Christmas, also known as Twelvetide, is a festive Christian season celebrating the Nativity of Jesus. In some Western ecclesiastical traditions, "Christmas Day" is considered the "First Day of Christmas" and the Twelve Days a ...
"
365
365 = 5 × 73
366
366 = 2 × 3 × 61,
sphenic number,
Mertens function returns 0,
noncototient,
number of complete partitions of 20, 26-gonal and 123-gonal. Also, the number of days in a
leap year
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) added to keep the calendar year synchronized with the astronomical year or s ...
.
367
367 is a prime number,
Perrin number
In mathematics, the Perrin numbers are defined by the recurrence relation
: for ,
with initial values
:.
The sequence of Perrin numbers starts with
: 3, 0, 2, 3, 2, 5, 5, 7, 10, 12, 17, 22, 29, 39, ...
The number of different maxima ...
,
happy number,
prime index prime and a strictly non-palindromic number.
368
368 = 2
4 × 23. It is also a
Leyland number In number theory, a Leyland number is a number of the form
:x^y + y^x
where ''x'' and ''y'' are integers greater than 1. They are named after the mathematician Paul Leyland. The first few Leyland numbers are
: 8, 17, 32, 54, 57, 100, 145, 177, ...
.
369
369 = 3
2 × 41, it is the
magic constant
The magic constant or magic sum of a magic square is the sum of numbers in any row, column, or diagonal of the magic square. For example, the magic square shown below has a magic constant of 15. For a normal magic square of order ''n'' – that is ...
of the 9 × 9 normal
magic square
In recreational mathematics, a square array of numbers, usually positive integers, is called a magic square if the sums of the numbers in each row, each column, and both main diagonals are the same. The 'order' of the magic square is the number ...
and
''n''-queens problem for ''n'' = 9; there are 369 free
polyominoes of order 8. With 370, a
Ruth–Aaron pair
In mathematics, a Ruth–Aaron pair consists of two consecutive integers (e.g., 714 and 715) for which the sums of the prime factors of each integer are equal:
:714 = 2 × 3 × 7 × 17,
:715 = 5 × 11 × 13,
and
: 2 + 3 + 7 + 17 = 5 + 11 + 13 = ...
with only distinct prime factors counted.
370s
370
370 = 2 × 5 × 37, sphenic number,
sum of four consecutive primes (83 + 89 + 97 + 101), nontotient, with 369 part of a Ruth–Aaron pair with only distinct prime factors counted,
Base 10 Armstrong number
In number theory, a narcissistic number 1 F_ : \mathbb \rightarrow \mathbb to be the following:
: F_(n) = \sum_^ d_i^k.
where k = \lfloor \log_ \rfloor + 1 is the number of digits in the number in base b, and
: d_i = \frac
is the value of each d ...
since 3
3 + 7
3 + 0
3 = 370.
System/370 is a computing architecture from
IBM.
371
371 = 7 × 53, sum of three consecutive primes (113 + 127 + 131), sum of seven consecutive primes (41 + 43 + 47 + 53 + 59 + 61 + 67), sum of the primes from its least to its greatest prime factor , the next such composite number is 2935561623745,
Armstrong number
In number theory, a narcissistic number 1 F_ : \mathbb \rightarrow \mathbb to be the following:
: F_(n) = \sum_^ d_i^k.
where k = \lfloor \log_ \rfloor + 1 is the number of digits in the number in base b, and
: d_i = \frac
is the value of each d ...
since 3
3 + 7
3 + 1
3 = 371.
372
372 = 2
2 × 3 × 31, sum of eight consecutive primes (31 + 37 + 41 + 43 + 47 + 53 + 59 + 61),
noncototient,
untouchable number
An untouchable number is a positive integer that cannot be expressed as the sum of all the proper divisors of any positive integer (including the untouchable number itself). That is, these numbers are not in the image of the aliquot sum function. ...
,
refactorable number.
373
373, prime number,
balanced prime In number theory, a balanced prime is a prime number with equal-sized prime gaps above and below it, so that it is equal to the arithmetic mean of the nearest primes above and below. Or to put it algebraically, given a prime number p_n, where is it ...
,
two-sided prime, sum of five consecutive primes (67 + 71 + 73 + 79 + 83), permutable prime with 337 and 733, palindromic prime in 3 consecutive bases: 565
8 = 454
9 = 373
10 and also in base 4: 11311
4.
374
374 = 2 × 11 × 17,
sphenic number,
nontotient, 374
4 + 1 is prime.
375
375 = 3 × 5
3, number of regions in regular 11-gon with all diagonals drawn.
376
376 = 2
3 × 47,
pentagonal number,
1-
automorphic number
In mathematics, an automorphic number (sometimes referred to as a circular number) is a natural number in a given number base b whose square "ends" in the same digits as the number itself.
Definition and properties
Given a number base b, a natura ...
, nontotient, refactorable number.
377
377 = 13 × 29,
Fibonacci number, a
centered octahedral number, a Lucas and
Fibonacci pseudoprime, the sum of the squares of the first six primes, a common approximation for the
impedance of free space The impedance of free space, , is a physical constant relating the magnitudes of the electric and magnetic fields of electromagnetic radiation travelling through free space. That is, , where is the electric field strength and is the magnetic fiel ...
in ohms.
377 is an approximation of 2π60, which crops up frequently in calculations involving 60 Hz AC power.
378
378 = 2 × 3
3 × 7, triangular number,
cake number, hexagonal number,
Smith number.
379
379 is a prime number, Chen prime,
lazy caterer number and a happy number in base 10. It is the sum of the 15 consecutive primes (3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53). 379! - 1 is prime.
380s
380
380 = 2
2 × 5 × 19, pronic number,
[Number of regions into which a figure made up of a row of 6 adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles]
and .
381
381 = 3 × 127, palindromic in base 2 and base 8.
It is the sum of the first 16 prime numbers
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways ...
(2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53).
382
382 = 2 × 191, sum of ten consecutive primes (19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59), Smith number.
383
383, prime number, safe prime, Woodall prime, Thabit number, Eisenstein prime with no imaginary part, palindromic prime. It is also the first number where the sum of a prime and the reversal of the prime is also a prime. 4383 - 3383 is prime.
384
385
385 = 5 × 7 × 11, sphenic number, square pyramidal number
In mathematics, a pyramid number, or square pyramidal number, is a natural number that counts the number of stacked spheres in a pyramid with a square base. The study of these numbers goes back to Archimedes and Fibonacci. They are part of a broa ...
, the number of integer partitions
In number theory and combinatorics, a partition of a positive integer , also called an integer partition, is a way of writing as a sum of positive integers. Two sums that differ only in the order of their summands are considered the same parti ...
of 18.
385 = 102 + 92 + 82 + 72 + 62 + 52 + 42 + 32 + 22 + 12
386
386 = 2 × 193, nontotient, noncototient, centered heptagonal number, number of surface points on a cube with edge-length 9.
386 is also shorthand for the Intel 80386 microprocessor chip. 386 generation refers to South Koreans, especially politicians, born in the '60s ().
387
387 = 32 × 43, number of graphical partitions of 22, also shorthand for the Intel 80387, math coprocessor chip to the 386.
388
388 = 22 × 97 = solution to postage stamp problem with 6 stamps and 6 denominations, number of uniform rooted trees with 10 nodes.
389
389, prime number, emirp
An emirp (''prime'' spelled backwards) is a prime number that results in a different prime when its decimal digits are reversed. This definition excludes the related palindromic primes. The term ''reversible prime'' is used to mean the same as ...
, Eisenstein prime with no imaginary part, Chen prime, highly cototient number, strictly non-palindromic number. Smallest conductor of a rank 2 Elliptic curve
In mathematics, an elliptic curve is a smooth, projective, algebraic curve of genus one, on which there is a specified point . An elliptic curve is defined over a field and describes points in , the Cartesian product of with itself. If ...
.
Also, 389 equals the displacement in cubic inches of the famous Pontiac GTO V-8 engine of 1964–66. The port number for LDAP, and the name for the Fedora Directory Server
The 389 Directory Server (previously Fedora Directory Server) is a Lightweight Directory Access Protocol (LDAP) server developed by Red Hat as part of the community-supported Fedora Project. The name "389" derives from the port number used by LD ...
project.
390s
390
390 = 2 × 3 × 5 × 13, sum of four consecutive primes (89 + 97 + 101 + 103), nontotient,
: is prime
System/390 is a computing architecture from IBM.
391
391 = 17 × 23, Smith number, centered pentagonal number.
392
392 = 23 × 72, Achilles number
An Achilles number is a number that is powerful but not a perfect power.
A positive integer is a powerful number if, for every prime factor of , is also a divisor. In other words, every prime factor appears at least squared in the factorizat ...
.
393
393 = 3 × 131, Blum integer, Mertens function returns 0.
393 is the number of county
A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...
equivalents in Canada
394
394 = 2 × 197 = S5 a Schröder number, nontotient, noncototient.
395
395 = 5 × 79, sum of three consecutive primes (127 + 131 + 137), sum of five consecutive primes (71 + 73 + 79 + 83 + 89), number of (unordered, unlabeled) rooted trimmed trees with 11 nodes.
396
396 = 22 × 32 × 11, sum of twin primes (197 + 199), totient sum of the first 36 integers, refactorable number, Harshad number, digit-reassembly number Digit-reassembly numbers, or Osiris numbers, are numbers that are equal to the sum of permutations of sub-samples of their own digits (compare the dismemberment and reconstruction of the god Osiris in Egyptian mythology). For example, 132 = 12 + 2 ...
.
396 also refers to the displacement in cubic inches of early Chevrolet Big-Block engines.
397
397, prime number, cuban prime, centered hexagonal number.
398
398 = 2 × 199, nontotient.
: is prime
399
399 = 3 × 7 × 19, sphenic number, smallest Lucas–Carmichael number In mathematics, a Lucas–Carmichael number is a positive composite integer ''n'' such that
# if ''p'' is a prime factor of ''n'', then ''p'' + 1 is a factor of ''n'' + 1;
# ''n'' is odd and square-free.
The first condition resembles the Korselt's ...
, Leyland number of the second kind. 399! + 1 is prime.
References
{{Integers, 3
Integers