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6 (six) is the natural number following 5 and preceding 7. It is a composite number and the smallest perfect number.


In mathematics

Six is the smallest positive integer which is neither a square number nor a prime number; it is the second smallest composite number, behind 4; its proper divisors are , and . Since 6 equals the sum of its proper divisors, it is a perfect number; 6 is the smallest of the perfect numbers. It is also the smallest Granville number, or \mathcal-perfect number. As a perfect number: *6 is related to the Mersenne prime 3, since . (The next perfect number is 28.) *6 is the only even perfect number that is not the sum of successive odd cubes. *6 is the root of the 6-aliquot tree, and is itself the aliquot sum of only one other number; the square number, . Six is the only number that is both the sum and the product of three consecutive positive numbers. Unrelated to 6's being a perfect number, a Golomb ruler of length 6 is a "perfect ruler". Six is a congruent number. Six is the first discrete biprime (2 × 3) and the first member of the (2 × ''q'') discrete
biprime In mathematics, a semiprime is a natural number that is the product of exactly two prime numbers. The two primes in the product may equal each other, so the semiprimes include the squares of prime numbers. Because there are infinitely many prime n ...
family. Six is a
unitary perfect number A unitary perfect number is an integer which is the sum of its positive proper unitary divisors, not including the number itself (a divisor ''d'' of a number ''n'' is a unitary divisor if ''d'' and ''n''/''d'' share no common factors). Some perfect ...
, a primary pseudoperfect number, a
harmonic divisor number In mathematics, a harmonic divisor number, or Ore number (named after Øystein Ore who defined it in 1948), is a positive integer whose divisors have a harmonic mean that is an integer. The first few harmonic divisor numbers are: : 1, 6, 2 ...
and a
superior highly composite number In mathematics, a superior highly composite number is a natural number which has the highest ratio of its number of divisors to ''some'' positive power of itself than any other number. It is a stronger restriction than that of a highly composite ...
, the last to also be a
primorial In mathematics, and more particularly in number theory, primorial, denoted by "#", is a function from natural numbers to natural numbers similar to the factorial function, but rather than successively multiplying positive integers, the function ...
. There are no
Graeco-Latin square In combinatorics, two Latin squares of the same size (''order'') are said to be ''orthogonal'' if when superimposed the ordered paired entries in the positions are all distinct. A set of Latin squares, all of the same order, all pairs of which are ...
s with order 6. If ''n'' is a natural number that is not 2 or 6, then there is a Graeco-Latin square with order ''n''. There is not a prime p such that the multiplicative order of 2 modulo p is 6, that is, ord_p(2) = 6 By
Zsigmondy's theorem In number theory, Zsigmondy's theorem, named after Karl Zsigmondy, states that if a>b>0 are coprime integers, then for any integer n \ge 1, there is a prime number ''p'' (called a ''primitive prime divisor'') that divides a^n-b^n and does not divi ...
, if n is a natural number that is not 1 or 6, then there is a prime p such that ord_p(2) = n. See for such p. The ring of integer of the sixth cyclotomic field , which is called
Eisenstein integer In mathematics, the Eisenstein integers (named after Gotthold Eisenstein), occasionally also known as Eulerian integers (after Leonhard Euler), are the complex numbers of the form :z = a + b\omega , where and are integers and :\omega = \f ...
, has 6 units: ±1, ±ω, ±ω2, where \omega = \frac(-1 + i\sqrt 3) = e^. The smallest non- abelian group is the symmetric group ''S''3 which has 3! = 6 elements. ''S''6, with 720 = 6 !
elements Element or elements may refer to: Science * Chemical element, a pure substance of one type of atom * Heating element, a device that generates heat by electrical resistance * Orbital elements, parameters required to identify a specific orbit of ...
, is the only finite symmetric group which has an outer automorphism. This automorphism allows us to construct a number of exceptional mathematical objects such as the S(5,6,12) Steiner system, the projective plane of order 4 and the Hoffman-Singleton graph. A closely related result is the following theorem: 6 is the only natural number ''n'' for which there is a construction of ''n''
isomorphic In mathematics, an isomorphism is a structure-preserving mapping between two structures of the same type that can be reversed by an inverse mapping. Two mathematical structures are isomorphic if an isomorphism exists between them. The word is ...
objects on an ''n''-set ''A'', invariant under all permutations of ''A'', but not naturally in one-to-one correspondence with the elements of ''A''. This can also be expressed category theoretically: consider the category whose objects are the ''n'' element sets and whose arrows are the
bijection In mathematics, a bijection, also known as a bijective function, one-to-one correspondence, or invertible function, is a function between the elements of two sets, where each element of one set is paired with exactly one element of the other s ...
s between the sets. This category has a non-trivial functor to itself only for . Six similar coins can be arranged around a central coin of the same radius so that each coin makes contact with the central one (and touches both its neighbors without a gap), but seven cannot be so arranged. This makes 6 the answer to the two-dimensional kissing number problem. The densest sphere packing of the plane is obtained by extending this pattern to the hexagonal lattice in which each circle touches just six others. 6 is the largest of the four
all-Harshad number In mathematics, a harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digits when written in that base. Harshad numbers in base are also known as -harshad (or -Niven) numbers. Harshad number ...
s. A six-sided polygon is a hexagon, one of the three regular polygons capable of
tiling the plane A tessellation or tiling is the covering of a surface, often a plane, using one or more geometric shapes, called ''tiles'', with no overlaps and no gaps. In mathematics, tessellation can be generalized to higher dimensions and a variety of ge ...
. Figurate numbers representing hexagons (including six) are called hexagonal numbers. Because 6 is the product of a power of 2 (namely 21) with nothing but distinct Fermat primes (specifically 3), a regular hexagon is a constructible polygon. Six is also an octahedral number. It is a triangular number and so is its square (). There are six basic trigonometric functions. There are six convex regular polytopes in four dimensions. The six exponentials theorem guarantees (given the right conditions on the exponents) the transcendence of at least one of a set of exponentials. All primes above 3 are of the form 6''n'' ± 1 for ''n'' ≥ 1. 6 is a pronic number and the only semiprime to be. There are six different ways in which 100 can be expressed as the sum of two prime numbers -- 3 + 97, 11 + 89, 17 + 83, 29 + 71, 41 + 59 and 47 + 53.


List of basic calculations


Greek and Latin word parts


'

' is classical Greek for "six". Thus: *"
Hexadecimal In mathematics and computing, the hexadecimal (also base-16 or simply hex) numeral system is a positional numeral system that represents numbers using a radix (base) of 16. Unlike the decimal system representing numbers using 10 symbols, hexa ...
" combines ' with the Latinate ' to name a number base of 16 *A hexagon is a regular polygon with six sides **' is a French nickname for the continental part of Metropolitan France for its resemblance to a
regular hexagon In geometry, a hexagon (from Greek , , meaning "six", and , , meaning "corner, angle") is a six-sided polygon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°. Regular hexagon A '' regular hexagon'' has ...
*A hexahedron is a polyhedron with six faces, with a
cube In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. Viewed from a corner it is a hexagon and its net is usually depicted as a cross. The cube is the only r ...
being a special case * Hexameter is a poetic form consisting of six feet per line *A "hex nut" is a
nut Nut often refers to: * Nut (fruit), fruit composed of a hard shell and a seed, or a collective noun for dry and edible fruits or seeds * Nut (hardware), fastener used with a bolt Nut or Nuts may also refer to: Arts, entertainment, and media Com ...
with six sides, and a hex
bolt The BOLT Browser was a web browser for mobile phones including feature phones and smartphones that can run Java ME applications. The BOLT Browser was offered free of charge to consumers and by license to mobile network operators and handset manuf ...
has a six-sided head *The prefix "" also occurs in the systematic name of many chemical compounds, such as hexane which has 6 carbon atoms ().


The prefix ''sex-''

''Sex-'' is a Latin
prefix A prefix is an affix which is placed before the Word stem, stem of a word. Adding it to the beginning of one word changes it into another word. For example, when the prefix ''un-'' is added to the word ''happy'', it creates the word ''unhappy'' ...
meaning "six". Thus: *''Senary'' is the ordinal adjective meaning "sixth" *People with sexdactyly have six fingers on each hand *The measuring instrument called a
sextant A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celes ...
got its name because its shape forms one-sixth of a whole circle *A group of six musicians is called a
sextet A sextet (or hexad) is a formation containing exactly six members. The former term is commonly associated with vocal ensembles (e.g. The King's Singers, Affabre Concinui) or musical instrument groups, but can be applied to any situation where six ...
*Six babies delivered in one birth are
sextuplet A multiple birth is the culmination of one multiple pregnancy, wherein the mother gives birth to two or more babies. A term most applicable to vertebrate species, multiple births occur in most kinds of mammals, with varying frequencies. Such bi ...
s * Sexy prime pairs – Prime pairs differing by six are ''sexy'', because sex is the Latin word for six. The
SI prefix The International System of Units, known by the international abbreviation SI in all languages and sometimes pleonastically as the SI system, is the modern form of the metric system and the world's most widely used system of measurement. E ...
for 10006 is
exa- A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic. Each prefix has a unique symbol that is prepended to any unit symbol. The pre ...
(E), and for its reciprocal
atto- A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic. Each prefix has a unique symbol that is prepended to any unit symbol. The pre ...
(a).


Evolution of the Arabic digit

The evolution of our modern digit 6 appears rather simple when compared with the other digits. The modern 6 can be traced back to the Brahmi numerals of India, which are first known from the Edicts of Ashoka circa 250 BCE. It was written in one stroke like a cursive lowercase e rotated 90 degrees clockwise. Gradually, the upper part of the stroke (above the central squiggle) became more curved, while the lower part of the stroke (below the central squiggle) became straighter. The Arabs dropped the part of the stroke below the squiggle. From there, the European evolution to our modern 6 was very straightforward, aside from a flirtation with a glyph that looked more like an uppercase G. On the seven-segment displays of calculators and watches, 6 is usually written with six segments. Some historical calculator models use just five segments for the 6, by omitting the top horizontal bar. This glyph variant has not caught on; for calculators that can display results in hexadecimal, a 6 that looks like a "b" is not practical. Just as in most modern typefaces, in typefaces with text figures the character for the digit 6 usually has an ascender, as, for example, in . This digit resembles an inverted ''9''. To disambiguate the two on objects and documents that can be inverted, the 6 has often been underlined, both in handwriting and on printed labels.


In music


In artists

*' ("The Six" in English) was a group consisting of the French composers , , , , and in the 1920s * Bands with the number six in their name include
Six Organs of Admittance Six Organs of Admittance is the primary musical project of American guitarist Ben Chasny. Chasny's music is largely guitar-based and is often considered new folk; however, it includes obvious influences, marked by the use of drones, chimes, and ...
, 6 O'Clock Saints, Electric Six, Eve 6,
Los Xey LOS, or Los, or LoS may refer to: Science and technology * Length of stay, the duration of a single episode of hospitalisation * Level of service, a measure used by traffic engineers * Level of significance, a measure of statistical significan ...
(' is Basque for "six"), Out On Blue Six, Six In Six, Sixpence None the Richer,
Slant 6 Slant 6 was an American punk rock trio based in Washington, D.C. affiliated with early riot grrrl. Slant 6 consisted of Christina Billotte (electric guitar and vocals), Myra Power (electric bass guitar and vocals), and Marge Marshall (drum se ...
, Vanity 6, and You Me At Six * #6 is the pseudonym of
American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
musician Shawn Crahan, when performing with the band Slipknot


In instruments

*A standard guitar has six strings *Most woodwind instruments have six basic holes or keys (e.g., bassoon, clarinet, pennywhistle, saxophone); these holes or keys are usually not given numbers or letters in the fingering charts


In music theory

*There are six whole tones in an octave. *There are six semitones in a tritone.


In works

*"Six geese a-laying" were given as a present on the sixth day in the popular Christmas carol, "
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 ...
." *Divided in six arias, ''
Hexachordum Apollinis ''Hexachordum Apollinis'' (PWC 193–8, T. 211–6, PC 131–6, POP 1–6) is a collection of keyboard music by Johann Pachelbel, published in 1699. It comprises six arias with variations, on original themes, and is generally regarded as one of th ...
'' is generally regarded as one of the pinnacles of
Johann Pachelbel Johann Pachelbel (baptised – buried 9 March 1706; also Bachelbel) was a German composer, organist, and teacher who brought the south German organ schools to their peak. He composed a large body of sacred and secularity, secular music, and h ...
's oeuvre. *The theme of the sixth album by Dream Theater, '' Six Degrees of Inner Turbulence'', was the number six: the album has six songs, and the sixth song — that is, the complete second disc — explores the stories of six individuals suffering from various mental illnesses. * Aristotle gave six elements of tragedy, the first of which is Mythos.


In religion

*In Judaism: **Six points on a
Star of David The Star of David (). is a generally recognized symbol of both Jewish identity and Judaism. Its shape is that of a hexagram: the compound of two equilateral triangles. A derivation of the ''seal of Solomon'', which was used for decorative ...
**Six orders of the Mishnah **Six symbolic foods placed on the
Passover Seder Plate The Passover Seder plate ( he, קערה, ''ke'ara'') is a special plate containing symbolic foods eaten or displayed at the Passover Seder. The purpose of the Passover Seder plate is to show all the foods that perpetuate and emphasize the ideas ...
** God took six days to create the world in the
Old Testament The Old Testament (often abbreviated OT) is the first division of the Christian biblical canon, which is based primarily upon the 24 books of the Hebrew Bible or Tanakh, a collection of ancient religious Hebrew writings by the Israelites. The ...
Book of Genesis; humankind was created on day 6. In the ''City of God'',
Augustine of Hippo Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Af ...
suggested (book 11, chapter 30) that God's creation of the world took six days because 6 is a perfect number. **The Jewish holiday of
Shavuot (''Ḥag HaShavuot'' or ''Shavuos'') , nickname = English: "Feast of Weeks" , observedby = Jews and Samaritans , type = Jewish and Samaritan , begins = 6th day of Sivan (or the Sunday following the 6th day of Sivan i ...
starts on the sixth day of the Hebrew month of
Sivan ''Sivan'' (Hebrew: סִיוָן, Standard ''Sīvan'', Tiberian ''Sīwān''; from Akkadian ''simānu'', meaning "Season; time") is the ninth month of the civil year and the third month of the ecclesiastical year on the Hebrew calendar. It is a mo ...
** Seraphs have six wings. *In Islam: **There are
Six articles of belief Iman ( ''ʾīmān'', lit. faith or belief) in Islamic theology denotes a believer's faith in the metaphysical aspects of Islam.Farāhī, Majmū‘ah Tafāsīr, 2nd ed. (Faran Foundation, 1998), 347. Its most simple definition is the belief i ...
**Fasting six days of
Shawwal Shawwal ( ar, شَوَّال, ') is the tenth month of the lunar based Islamic calendar. ''Shawwāl'' stems from the verb ''shāla'' () which means to 'lift or carry', generally to take or move things from one place to another, Fasting during S ...
, together with the month of
Ramadan , type = islam , longtype = Religious , image = Ramadan montage.jpg , caption=From top, left to right: A crescent moon over Sarıçam, Turkey, marking the beginning of the Islamic month of Ramadan. Ramadan Quran reading in Bandar Torkaman, Iran. ...
, is equivalent to fasting the whole year *In
Hindu theology Hindus (; ) are people who religiously adhere to Hinduism.Jeffery D. Long (2007), A Vision for Hinduism, IB Tauris, , pages 35–37 Historically, the term has also been used as a geographical, cultural, and later religious identifier for ...
, a '' trasarenu'' is the combination of six celestial (
atoms Every atom is composed of a nucleus and one or more electrons bound to the nucleus. The nucleus is made of one or more protons and a number of neutrons. Only the most common variety of hydrogen has no neutrons. Every solid, liquid, gas, an ...
). *In Taoism: **Six Lines of a
Hexagram , can be seen as a compound composed of an upwards (blue here) and downwards (pink) facing equilateral triangle, with their intersection as a regular hexagon (in green). A hexagram ( Greek language, Greek) or sexagram (Latin) is a six-pointed ...
**
Six Ministries The Three Departments and Six Ministries () system was the primary administrative structure in imperial China from the Sui dynasty (581–618) to the Yuan dynasty (1271–1368). It was also used by Balhae (698–926) and Goryeo (918–1392) and ...
of Huang Di


In science


Astronomy

* Messier object M6, a magnitude 4.5 open cluster in the constellation Scorpius, also known as the Butterfly Cluster *The
New General Catalogue The ''New General Catalogue of Nebulae and Clusters of Stars'' (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and ...
br>object
NGC 6 NGC commonly refers to: * New General Catalogue of Nebulae and Clusters of Stars, a catalogue of deep sky objects in astronomy NGC may also refer to: Companies * NGC Corporation, name of US electric company Dynegy, Inc. from 1995 to 1998 * Nati ...
, a
spiral galaxy Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...
Andromeda *The Roman numeral VI: **Stands for subdwarfs in the
Yerkes spectral classification scheme In astronomy, stellar classification is the classification of stars based on their stellar spectrum, spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a Prism (optics), prism or diffraction grati ...
**(Usually) stands for the sixth-discovered satellite of a planet or minor planet (e.g.
Jupiter VI Himalia (), or Jupiter VI, is the largest irregular satellite of Jupiter, with a diameter of at least . It is the sixth largest Jovian satellite, after the four Galilean moons and Amalthea. It was discovered by Charles Dillon Perrine at the ...
) * 6 Hebe


Biology

*The cells of a beehive are six-sided. * Insects have six legs. *Six kingdoms in the taxonomic rank below domain (biology);
Animalia Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, are able to move, can reproduce sexually, and go through an ontogenetic stage in ...
, Plantae, Fungi,
Protista A protist () is any eukaryotic organism (that is, an organism whose cells contain a cell nucleus) that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor (the last eukaryotic common ancestor), the excl ...
,
Archaea Archaea ( ; singular archaeon ) is a domain of single-celled organisms. These microorganisms lack cell nuclei and are therefore prokaryotes. Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebac ...
/
Archaeabacteria Archaea ( ; singular archaeon ) is a domain of single-celled organisms. These microorganisms lack cell nuclei and are therefore prokaryotes. Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacte ...
, and Bacteria/ Eubacteria. See Kingdom (biology). *The six elements most common in biomolecules are called the CHNOPS elements; the letters stand for the chemical abbreviations of carbon, hydrogen, nitrogen, oxygen, phosphorus, and
sulfur Sulfur (or sulphur in British English) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula ...
. See CHON.


Chemistry

*A benzene molecule has a ring of six carbon atoms. *6 is the atomic number of carbon. *The sixfold
symmetry Symmetry (from grc, συμμετρία "agreement in dimensions, due proportion, arrangement") in everyday language refers to a sense of harmonious and beautiful proportion and balance. In mathematics, "symmetry" has a more precise definit ...
of snowflakes arises from the hexagonal crystal structure of ordinary ice. *A hexamer is an oligomer made of six subunits.


Medicine

*There are six tastes in traditional Indian medicine ( Ayurveda): sweet, sour, salty, bitter, pungent, and astringent. These tastes are used to suggest a diet based on the symptoms of the body. *Phase 6 is one of six pandemic influenza phases.


Physics

*In the Standard Model of particle physics, there are six types of quarks and six types of leptons. *In
statistical mechanics In physics, statistical mechanics is a mathematical framework that applies statistical methods and probability theory to large assemblies of microscopic entities. It does not assume or postulate any natural laws, but explains the macroscopic be ...
, the six-vertex model has six possible configurations of arrows at each vertex *There are six colors in the RGB color wheel: (primary) red, blue, green, (secondary) cyan, magenta, and yellow. (See Tertiary color) *In three-dimensional Euclidean space, there are six unknown support reactions for a
statically determinate In statics and structural mechanics, a structure is statically indeterminate when the static equilibrium equations force and moment equilibrium conditions are insufficient for determining the internal forces and Reaction (physics), reactions on tha ...
structure: one
force In physics, a force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity (e.g. moving from a state of rest), i.e., to accelerate. Force can also be described intuitively as a p ...
in each of the three dimensions, and one
moment Moment or Moments may refer to: * Present time Music * The Moments, American R&B vocal group Albums * ''Moment'' (Dark Tranquillity album), 2020 * ''Moment'' (Speed album), 1998 * ''Moments'' (Darude album) * ''Moments'' (Christine Guldbrand ...
through each of three possible
orthogonal In mathematics, orthogonality is the generalization of the geometric notion of ''perpendicularity''. By extension, orthogonality is also used to refer to the separation of specific features of a system. The term also has specialized meanings in ...
plane Plane(s) most often refers to: * Aero- or airplane, a powered, fixed-wing aircraft * Plane (geometry), a flat, 2-dimensional surface Plane or planes may also refer to: Biology * Plane (tree) or ''Platanus'', wetland native plant * Planes (gen ...
s.


In sports

* The
Original Six The Original Six () are the teams that comprised the National Hockey League (NHL) between 1942 and 1967. The six teams are the Boston Bruins, Chicago Black Hawks, Detroit Red Wings, Montreal Canadiens, New York Rangers, and Toronto Maple Leafs ...
teams in the National Hockey League are Toronto, Chicago, Montreal,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
, Boston, and Detroit. They are the oldest remaining teams in the league, though not necessarily the first six; they comprised the entire league from
1942 Events Below, the events of World War II have the "WWII" prefix. January * January 1 – WWII: The Declaration by United Nations is signed by China, the United Kingdom, the United States, the Soviet Union, and 22 other nations, in wh ...
to
1967 Events January * January 1 – Canada begins a year-long celebration of the 100th anniversary of Confederation, featuring the Expo 67 World's Fair. * January 5 ** Spain and Romania sign an agreement in Paris, establishing full consular and ...
. * Number of players: ** In association football (soccer), the number of substitutes combined by both teams, that are allowed in the game. ** In box lacrosse, the number of players per team, including the goaltender, that are on the floor at any one time, excluding penalty situations. ** In ice hockey, the number of players per team, including the goaltender, that are on the ice at any one time during regulation play, excluding penalty situations. (Some leagues reduce the number of players on the ice during overtime.) ** In volleyball: *** Six players from each team on each side play against each other. *** Standard rules only allow six total substitutions per team per set. (Substitutions involving the libero, a defensive specialist who can only play in the back row, are not counted against this limit.) ** Six-man football is a variant of American or Canadian football, played by smaller schools with insufficient enrollment to field the traditional 11-man (American) or 12-man (Canadian) squad. * Scoring: ** In both
American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
and Canadian football, 6 points are awarded for a touchdown. ** In
Australian rules football Australian football, also called Australian rules football or Aussie rules, or more simply football or footy, is a contact sport played between two teams of 18 players on an oval field, often a modified cricket ground. Points are scored by k ...
, 6 points are awarded for a goal, scored when a kicked ball passes between the defending team's two inner goalposts without having been touched by another player. ** In
cricket Cricket is a bat-and-ball game played between two teams of eleven players on a field at the centre of which is a pitch with a wicket at each end, each comprising two bails balanced on three stumps. The batting side scores runs by striki ...
,
six runs In cricket, the boundary is the perimeter of a playing field. It is also the term given to a scoring shot where the ball is hit to, or beyond, that perimeter, which generally earns four or six runs for the batting team. Edge of the field The b ...
are scored for the batting team when the ball is hit to the boundary or the ground beyond it without having touched the ground in the field. * In basketball, the
ball A ball is a round object (usually spherical, but can sometimes be ovoid) with several uses. It is used in ball games, where the play of the game follows the state of the ball as it is hit, kicked or thrown by players. Balls can also be used f ...
used for women's full-court competitions is designated "size 6". * In most rugby league competitions (but not the
Super League The Super League (officially known as the Betfred Super League due to sponsorship from Betfred and legally known as Super League Europe), is the top-level of the British rugby league system. At present the league consists of twelve teams, of wh ...
, which uses static squad numbering), the jersey number 6 is worn by the starting (Southern Hemisphere term) or (Northern Hemisphere term). * In rugby union, the starting blindside flanker wears jersey number 6. (Some teams use "left" and "right" flankers instead of "openside" and "blindside", with 6 being worn by the starting left flanker.)


In technology

*On most phones, the 6 key is associated with the letters M, N, and O, but on the BlackBerry Pearl it is the key for J and K, and on the BlackBerry 8700 series and Curve 8900 with full keyboard, it is the key for F *The "
6-meter band The 6-meter band is the lowest portion of the very high frequency (VHF) radio spectrum internationally allocated to amateur radio use. The term refers to the average signal wavelength of 6 meters. Although located in the lower portion of t ...
" in
amateur radio Amateur radio, also known as ham radio, is the use of the radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communic ...
includes the frequencies from 50 to 54 MHz *6 is the resin identification code used in recycling to identify
polystyrene Polystyrene (PS) is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It is a ...


In calendars

*In the ancient Roman calendar, Sextilis was the sixth month. After the
Julian reform The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandria. ...
, June became the sixth month and Sextilis was renamed August *Sextidi was the sixth day of the '' décade'' in the French Revolutionary calendar


In the arts and entertainment


Games

*The number of sides on a cube, hence the highest number on a standard
die Die, as a verb, refers to death, the cessation of life. Die may also refer to: Games * Die, singular of dice, small throwable objects used for producing random numbers Manufacturing * Die (integrated circuit), a rectangular piece of a semicondu ...
*The six-sided tiles on a hex grid are used in many tabletop and board games. *The highest number on one end of a standard domino


Comics and cartoons

*'' The Super 6'', a 1966 animated cartoon series featuring six different super-powered heroes.


Literature

*'' The Power of Six'' is a book written by Pittacus Lore, and the second in the Lorien Legacies series. *Number 6 is a character in the book series Lorien Legacies


TV

* Number Six ( Tricia Helfer), is a family of fictional characters from the reimagined science fiction television series, ''
Battlestar Galactica ''Battlestar Galactica'' is an American science fiction media franchise created by Glen A. Larson. The franchise began with the Battlestar Galactica (1978 TV series), original television series in 1978, and was followed by a short-run sequel se ...
'' *Number 6, the main protagonist in '' The Prisoner'' played by
Patrick McGoohan Patrick Joseph McGoohan (; March 19, 1928 – January 13, 2009) was an Irish-American actor, director, screenwriter, and producer of film and television. Born in the United States to Irish emigrant parents, he was raised in Ireland and Engla ...
, and portrayed by Jim Caviezel in the remake. *Six is a character in the television series ''
Blossom In botany, blossoms are the flowers of stone fruit trees (genus ''Prunus'') and of some other plants with a similar appearance that flower profusely for a period of time in spring. Colloquially, flowers of orange are referred to as such as wel ...
'' played by Jenna von Oÿ. *Six is the nickname of Kal Varrik, a central character in the television series '' Dark Matter'', played by Roger Cross. *'' Six'' is a History channel series that chronicles the operations and daily lives of SEAL Team Six. *'' Six Feet Under'', an
HBO Home Box Office (HBO) is an American premium television network, which is the flagship property of namesake parent subsidiary Home Box Office, Inc., itself a unit owned by Warner Bros. Discovery. The overall Home Box Office business unit is ba ...
series that ran from 2005 to 2011.


Movies

*Number 6 ( Teresa Palmer) is a character in the movie '' I Am Number Four'' (2011). *'' The 6th Day'' (2000), starring
Arnold Schwarzenegger Arnold Alois Schwarzenegger (born July 30, 1947) is an Austrian and American actor, film producer, businessman, retired professional bodybuilder and politician who served as the 38th governor of California between 2003 and 2011. ''Time'' ...
. *'' The Sixth Sense'' (1999), written and directed by
M. Night Shyamalan Manoj Nelliyattu M. Night Shyamalan ( ; born August 6, 1970) is an Indian-American filmmaker and actor. He is best known for making original films with contemporary supernatural plots and twist endings. He was born in Mahé, India, and raise ...
and starring Haley Joel Osment and Bruce Willis. *''
Girl 6 ''Girl 6'' is a 1996 American black comedy film produced and directed by Spike Lee. The film stars Theresa Randle, Isaiah Washington, and Lee. Suzan-Lori Parks wrote the screenplay, making it the first film directed by Lee in which he did not wr ...
'' (1996), directed by Spike Lee.


Musicals

* ''Six'' is a modern retelling of the lives of the six wives of
Henry VIII Henry VIII (28 June 149128 January 1547) was King of England from 22 April 1509 until his death in 1547. Henry is best known for his six marriages, and for his efforts to have his first marriage (to Catherine of Aragon) annulled. His disa ...
presented as a pop concert.


Anthropology

*The name of the smallest group of Cub Scouts and Guiding's equivalent Brownies, traditionally consisting of six people and is led by a "sixer". *A
coffin A coffin is a funerary box used for viewing or keeping a corpse, either for burial or cremation. Sometimes referred to as a casket, any box in which the dead are buried is a coffin, and while a casket was originally regarded as a box for jewel ...
is traditionally buried six feet under the ground; thus, the phrase "six feet under" means that a person (or thing, or concept) is dead *There are said to be no more than six degrees of separation between any two people on Earth. *In Western astrology, Virgo is the 6th astrological sign of the Zodiac *The Six Dynasties form part of Chinese history *Six is a lucky number in Chinese culture. *The Birmingham Six were a British miscarriage of justice, held in prison for 16 years. *"Six" is used as an informal slang term for the British
Secret Intelligence Service The Secret Intelligence Service (SIS), commonly known as MI6 ( Military Intelligence, Section 6), is the foreign intelligence service of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligenc ...
, MI6.


In other fields

* Six pack is a common form of packaging for six bottles or cans of drink (especially beer), and by extension, other assemblages of six items. *In Pythagorean
numerology Numerology (also known as arithmancy) is the belief in an occult, divine or mystical relationship between a number and one or more coinciding events. It is also the study of the numerical value, via an alphanumeric system, of the letters in ...
(a pseudoscience), the number 6 is the digit of balance, harmony and organization of the home and family *The fundamental flight instruments lumped together on a cockpit display are often called the Basic Six or six-pack. *The number of dots in a braille cell. **See also
Six degrees (disambiguation) Six degrees may refer to: *Six degrees of separation, the theory that anyone on earth can be connected to any other person on the planet through a chain of acquaintances that has no more than five intermediaries *Six degrees of freedom, motion in t ...
. * Extrasensory perception is sometimes called the "sixth sense". * Six Flags is an American company running amusement parks and theme parks in the U.S., Canada, and Mexico. *In the U.S. Army "Six" as part of a
radio call sign In broadcasting and radio communications, a call sign (also known as a call name or call letters—and historically as a call signal—or abbreviated as a call) is a unique identifier for a transmitter station. A call sign can be formally assigne ...
is used by the commanding officer of a unit, while subordinate platoon leaders usually go by "One". (For a similar example see also: Rainbow Six.)


See also

*
List of highways numbered 6 Route 6, or Highway 6, may refer to routes in the following countries: International * Asian Highway 6 * European route E6 * European route E006 Albania * National Road SH6 Argentina * Buenos Aires Provincial Route 6 Australia New ...


References

*''The Odd Number 6'', JA Todd, Math. Proc. Camb. Phil. Soc. 41 (1945) 66–68 *''A Property of the Number Six'', Chapter 6, P Cameron, JH v. Lint, ''Designs, Graphs, Codes and their Links'' *Wells, D. ''The Penguin Dictionary of Curious and Interesting Numbers'' London: Penguin Group. (1987): 67 - 69


External links


The Number 6The Positive Integer 6
{{DEFAULTSORT:6 (Number) Integers 6 (number)