87 (eighty-seven) 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 86 and preceding 88.

In mathematics

87 is: * the sum of the squares of the first four primes (87 = 2² + 3² + 5² + 7²). * the sum of the sums of the divisors of the first 10

positive integers 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 ...

. * the thirtieth

semiprime 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 ...

, and the twenty-sixth distinct semiprime and the eighth of the form (3.q). * 5! - 4! - 3! - 2! - 1! = 87

In sports

Cricket in Australia Cricket is the most popular summer sport in Australia at international, domestic and local levels. It is regarded as the national summer sport, and widely played across the country, especially from the months of September to April. The peak adm ...

holds 87 as a superstitiously unlucky score and is referred to as "the devil's number." This originates from the fact that 87 is 13 runs short of a century. 187, 287 and so on are also considered unlucky but is not as common as 87 on its own. * In the

National Hockey League The National Hockey League (NHL; french: Ligue nationale de hockey—LNH, ) is a professional ice hockey league in North America comprising 32 teams—25 in the United States and 7 in Canada. It is considered to be the top ranked professional ...

Wayne Gretzky Wayne Douglas Gretzky ( ; born January 26, 1961) is a Canadian former professional ice hockey player and former head coach. He played 20 seasons in the National Hockey League (NHL) for four teams from 1979 to 1999. Nicknamed "the Great One ...

scored a league-high 87 goals with the

Edmonton Oilers The Edmonton Oilers are a professional ice hockey team based in Edmonton. The Oilers compete in the National Hockey League (NHL) as a member of the Pacific Division of the Western Conference. They play their home games at Rogers Place, which ...

in the

1983–84 NHL season The 1983–84 NHL season was the 67th season of the National Hockey League. The Edmonton Oilers de-throned the four-time defending Stanley Cup champion New York Islanders four games to one in the Cup finals. League business Not since World War ...

In other fields

Eighty-seven is also: *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 every ...

of francium. *An answer to a popular puzzle question states 16, 06, 68, 88, xx, 98. The answer is 87 when looked upside down. *The number of years between the signing of the

U.S. Declaration of Independence The United States Declaration of Independence, formally The unanimous Declaration of the thirteen States of America, is the pronouncement and founding document adopted by the Second Continental Congress meeting at Pennsylvania State House (l ...

and the

Battle of Gettysburg The Battle of Gettysburg () was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. In the battle, Union Major General George Meade's Army of the Po ...

, immortalized in

Abraham Lincoln Abraham Lincoln ( ; February 12, 1809 – April 15, 1865) was an American lawyer, politician, and statesman who served as the 16th president of the United States from 1861 until his assassination in 1865. Lincoln led the nation thro ...

Gettysburg Address The Gettysburg Address is a speech that U.S. President Abraham Lincoln delivered during the American Civil War at the dedication of the Soldiers' National Cemetery, now known as Gettysburg National Cemetery, in Gettysburg, Pennsylvania on the ...

with the phrase "''

Four Score The FOUR Score is a clinical grading scale designed for use by medical professionals in the assessment of patients with impaired level of consciousness. It was developed by Dr. Eelco F.M. Wijdicks and colleagues in Neurocritical care at the Mayo Cl ...

'' and Seven Years ago..." *The model number of Junkers Ju 87. *The number of the French department Haute-Vienne. *The

code for international direct dial 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 ...

phone calls to Inmarsat and other services. *The 87

photographic filter In photography and cinematography, a filter is a camera accessory consisting of an optical filter that can be inserted into the optical path. The filter can be of a square or oblong shape and mounted in a holder accessory, or, more commonly, a ...

blocks visible light allowing only infrared light to pass. *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 an ...

Group Identifier for books published in Denmark. *The opus number of the

24 Preludes and Fugues {{Unreferenced, date=June 2019, bot=noref (GreenC bot) The prelude and fugue is a musical form generally consisting of two movements in the same key for solo keyboard. In classical music, the combination of prelude and fugue is one with a long ...

of Dmitri Shostakovich. *In

model railroading Railway modelling (UK, Australia, New Zealand, and Ireland) or model railroading (US and Canada) is a hobby in which rail transport systems are modelled at a reduced scale. The scale models include locomotives, rolling stock, streetcars, t ...

, the ratio of the popular H0 scale is 1:87. Proto:87 scale claims to offer precise proportions of wheels and tracks of real railroads. *

David Bowie David Robert Jones (8 January 194710 January 2016), known professionally as David Bowie ( ), was an English singer-songwriter and actor. A leading figure in the music industry, he is regarded as one of the most influential musicians of the ...

CD (1987) ''

Never Let Me Down ''Never Let Me Down'' is the 17th studio album by English musician David Bowie, released on 20 April 1987 through EMI America Records. After a series of miscellaneous projects, Bowie hoped to make his next record differently following his ...

'' includes the song, " '87 and Cry". *The

87th United States Congress The 87th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from January 3, 196 ...

met from January 3, 1961 - January 3, 1963, during

John F. Kennedy John Fitzgerald Kennedy (May 29, 1917 – November 22, 1963), often referred to by his initials JFK and the nickname Jack, was an American politician who served as the 35th president of the United States from 1961 until his assassination ...

's time in office. *

Ed McBain Evan Hunter, born Salvatore Albert Lombino,(October 15, 1926 – July 6, 2005) was an American author and screenwriter best known for his 87th Precinct novels, written under his Ed McBain pen name, and the novel upon which the film '' Blackb ...

's ''

87th Precinct The 87th Precinct is a series of police procedural novels and stories by American author Ed McBain (a writing pseudonym of Evan Hunter). McBain's 87th Precinct works have been adapted, sometimes loosely, into movies and television on several o ...

: Lightning'' film starred

Randy Quaid Randy Randall Rudy Quaid (born October 1, 1950) is an American actor known for his roles in both serious drama and light comedy. He was nominated for an Academy Award, BAFTA Award and a Golden Globe Award for his role in '' The Last Detail'' ...

(1995). *87 punch includes one bottle of

Bacardi Bacardi Limited (; ) is one of the largest privately held, family-owned spirits companies in the world. Originally known for its Bacardi brand of white rum, it now has a portfolio of more than 200 brands and labels. Founded in Cuba in 1862 an ...

rum (eight years aged) and

7-up 7 Up (stylized as 7up outside North America) is an American brand of lemon-lime-flavored non-caffeinated soft drink. The brand and formula are owned by Keurig Dr Pepper although the beverage is internationally distributed by PepsiCo. 7 Up comp ...

(two-liter bottle). *

Wenger Wenger was a Swiss cutlery manufacturer that exists today as a line of once rival Victorinox, and a brand name for watches and licensed products owned by it. Founded in 1893, it was best known as one of two companies to manufacture Swiss Arm ...

Swiss Army Knife version XXL, listed in the '' Guinness Book of World Records'' as the world's most multi-functional

penknife Penknife, or pen knife, is a British English term for a small folding knife. Today the word ''penknife'' is the common British English term for both a pocketknife, which can have single or multiple blades, and for multi-tools, with additional too ...

with 87 tools. *''

Sonnet 87 Sonnet 87 is one of 154 sonnets published by the English playwright and poet William Shakespeare in 1609. It is part of the Fair Youth sequence, and sometimes included as the last sonnet in the Rival Poet group. Synopsis The poet admits that h ...

'' by

William Shakespeare William Shakespeare ( 26 April 1564 – 23 April 1616) was an English playwright, poet and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's nation ...

. *Vault 87 is a main location in the game ''

Fallout 3 ''Fallout 3'' is a 2008 action role-playing game developed by Bethesda Game Studios and published by Bethesda Softworks. The third major installment in the ''Fallout'' series, it is the first game to be developed by Bethesda after acquiring ...

''. * M87* is the first black hole ever photographed. *

Aragorn Aragorn is a fictional character and a protagonist in J. R. R. Tolkien's ''The Lord of the Rings''. Aragorn was a Ranger of the North, first introduced with the name Strider and later revealed to be the heir of Isildur, an ancient King of Ar ...

's age in ''

The Lord of the Rings ''The Lord of the Rings'' is an epic high-fantasy novel by English author and scholar J. R. R. Tolkien. Set in Middle-earth, intended to be Earth at some time in the distant past, the story began as a sequel to Tolkien's 1937 children's b ...

''. *"The Bite of '87" in the ''

Five Nights at Freddy's ''Five Nights at Freddy's'' (''FNaF'') is a media franchise created by Scott Cawthon. The first video game of the same name was released on August 8, 2014, and the resultant series has since gained worldwide popularity. The main series cons ...

'' series.

References

{{DEFAULTSORT:87 (Number) Integers

In mathematics

In sports

In other fields

See also

References