83 (eighty-three) 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 ...

following 82 and preceding 84.

In mathematics

83 is: * the sum of three consecutive primes (23 + 29 + 31). * the sum of five consecutive primes (11 + 13 + 17 + 19 + 23). * the 23rd

prime number A prime number (or a prime) is a natural number greater than 1 that is not a Product (mathematics), 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 ...

, following 79 (of which it is also a

cousin prime In number theory, cousin primes are prime numbers that differ by four. Compare this with twin primes, pairs of prime numbers that differ by two, and sexy primes, pairs of prime numbers that differ by six. The cousin primes (sequences and in ...

) and preceding 89. * a Sophie Germain prime. * a safe prime. * a Chen prime. * an Eisenstein prime with no imaginary part and real part of the form 3''n'' − 1. * 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 f ...

. * there number of primes that are right-truncatable. * a super-prime, because 23 is prime.

In science

Chemistry

*The

atomic number The atomic number or nuclear charge number (symbol ''Z'') of a chemical element is the charge number of an atomic nucleus. For ordinary nuclei, this is equal to the proton number (''n''p) or the number of protons found in the nucleus of ever ...

of bismuth (Bi)

Astronomy

* Messier object M83, a magnitude 8.5 spiral galaxy in the

constellation A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the earliest constellation ...

Hydra, also known as the Southern Pinwheel Galaxy *The New General Catalogue object NGC 83, a magnitude 12.3 elliptical galaxy in the constellation Andromeda

In religion

Judaism

* When someone reaches 83 they may celebrate a second bar mitzvah

In music

* M83 is the debut album of the French electronic music group M83 * 83 is a song written by

John Mayer John Clayton Mayer ( ; born October 16, 1977) is an American singer, songwriter, and guitarist. Born and raised in Fairfield County, Connecticut, Mayer attended Berklee College of Music in Boston, but left and moved to Atlanta in 1997 wit ...

in the '' Room for Squares'' album. * 83 is a Quebec hip-hop group * 83 is a song produced by Maximono

In film and television

* '' Gypsy 83'' is 2001 film directed by Todd Stephens * '' Class of '83'' is 2004 film directed by Kurt E. Soderling * 83 Hours 'Til Dawn is a 1990 film directed by

Donald Wrye Donald Wrye (September 24, 1934 – May 15, 2015) was an American director, screenwriter and producer. He is best known for directing the 1978 film ''Ice Castles''. He died on May 15, 2015, at his home in Harrisburg, Pennsylvania. Filmography * ...

* 83 is the highest UHF channel on older

television Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertising, ...

s made before the late 1970s (newer televisions only go up to channel 69, due to the frequency spectrum previously assigned to channels 70–83 in the United States being reassigned to cellular phone service there in the late 1970s-early 1980s). As an example, the television station CIVIC-TV managed by the James Woods character Max Renn in the 1983 film '' Videodrome'' was on Channel 83.

In other fields

Eighty-three is also: * The year AD 83, 83 BC, or 1983 * The TI-83 series, graphing

calculator An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics. The first solid-state electronic calculator was created in the early 1960s. Pocket-sized ...

s from

Texas Instruments Texas Instruments Incorporated (TI) is an American technology company headquartered in Dallas, Texas, that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globa ...

* Konsept83 is a Greek graphic design team. * The model number of

Bell XP-83 The Bell XP-83 (later redesignated ZXF-83) was a United States prototype jet escort fighter designed by Bell Aircraft during World War II. It first flew in 1945. As with most early first generation jet fighters, the design was hampered by a r ...

* The number of the French department Var * The

ISBN The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. Publishers purchase ISBNs from an affiliate of the International ISBN Agency. An ISBN is assigned to each separate edition a ...

Group Identifier for books published in

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

* The eighth letter of the alphabet is H and the third letter is C, thus 83 stands for "Heil Christ," a greeting sometimes (not always) used by racist organizations that consider themselves also to be Christian. This symbology is also known to be used by many non-racist Christians and non-denominational Churches. * An emoticon based on :3 with wide-open eyes.

References

{{DEFAULTSORT:83 (Number) Integers