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100 (one hundred) (the Roman numeral is C for centum) is the natural number following 99 and preceding 101.
[edit] In mathematics
One hundred is the square of 10 (in scientific notation it is written as 102). The standard SI prefix for a hundred is "hecto-".
One hundred is the basis of percentages (literally "per hundred"), with 100% being a full amount.
It is the sum of the first nine prime numbers, as well as the sum of two prime numbers (47 + 53, 17 +83, 3 + 97, 41 + 59), and the sum of the cubes of the first four integers (100 = 13 + 23 + 33 + 43). Also, 26 + 62 = 100, thus 100 is a Leyland number.
One hundred is also an 18-gonal number. It is divisible by the number of primes below it, 25 in this case. But it can not be expressed as the difference between any integer and the total of coprimes below it, making it a noncototient. However, it can be expressed as a sum of some of its divisors, making it a semiperfect number.
100 is a Harshad number in base 10, and also in base 4, and in that base it is a self-descriptive number.
[edit] In science
[edit] Astronomy
The Messier object M100, a magnitude 10.5 spiral galaxy in the constellation Coma Berenices.
The New General Catalogue object NGC 100, a magnitude 13.3 spiral galaxy in the constellation Pisces.
The Saros number of the solar eclipse series which began on 264 May 13 and ended on 1526 June 10 with a duration of 1262.1 years and 71 solar eclipses. Further, the number of the lunar eclipse series which began on 403 November 15 and ended on 1864 April 22 with a duration of 1460.4 years, and 82 lunar eclipses.
[edit] In other fields
One hundred is also:
- The number of years in a century
- A 100 year old person is known as a centenarian. George Burns. Bob Hope, and United States Senator Strom Thurmond were among those who had lived to 100.
- The number of pounds in an American short hundredweight
- The United States Senate has 100 Senators
- The number of subunits into which many of the world's currencies are divided; for example, one euro is one hundred cents and one Pound Sterling is one hundred pence
- The number of tiles in a standard Scrabble set
- The denomination of the U.S. hundred-dollar bill with Benjamin Franklin's portrait; the "Benjamin" is the largest U.S. bill in print
- The denomination of American savings bonds with Thomas Jefferson's portrait
- The denomination of American treasury bonds with Andrew Jackson's portrait
- In Greece, India and Israel, 100 is the police telephone number.
- In Belgium, 100 is the ambulance and firefighter telephone number.
- In United Kingdom, 100 is the operator telephone number
- Hundred Days, aka the Waterloo Campaign
- "The First Hundred Days" is an arbitrary benchmark of a President of the United States' performance at the beginning of his term
- 100 is the HTTP status code indicating that the client should continue with its request
- STS-100 Space Shuttle Endeavour launched April 19, 2001
- The 100-Series Highways are a series of arterial highways in the Canadian province of Nova Scotia
- SEPTA Route 100, also known as the Norristown High-Speed Line, is an interurban line system operating between Upper Darby and Norristown, Pennsylvania
- NASDAQ-100 is a stock market index of 100 of the largest domestic and international non-financial companies listed on the NASDAQ stock exchange
- The American Film Institute series
- Radio stations such as Z100 WHTZ New York and Z100 KKRZ, Portland, Oregon
- In English slang, adding the number 100 to a particular skill or subject denotes introductory knowledge ("Physics 100", "Soccer 100"), akin to the name of a first year university subject.
- Games 100 is an annual listing of the year’s top games
- The Time 100 is a list of the 100 most influential people in the world, as assembled by Time. The list has developed into an annual event.
- The One Hundred Years War
- One Hundred Men and a Girl is a 1937 musical comedy film starring Deanna Durbin
- 100 Grand Bar (formerly known as $100,000 Bar) is a candy bar produced by Nestlé
- Monterrey, Mexico is located at 25 degrees 40' N latitude and 100 degrees 18' W longitude
- Pope Valentine succeeded Pope Eugene II to become the 100th Pope in August 827
- Abraham was 100 years old when his son Isaac was born (Gen. 21:5).
[edit] Vehicles
- Audi 100 is a mid-sized automobile produced by Audi from 1968-97.
- Rover P4 100 produced by The Rover Co. Ltd. from 1960-62.
- Rover 100 a supermini car that was produced by the Rover Group from 1990-98.
[edit] In music
- Pop 100 is a chart created in 2005 and released weekly by Billboard in the United States. It measures mainstream radio airplay, and is one of the three component charts, along with the Hot 100 Singles Sales and Hot Digital Songs charts, that determine the chart positions of singles on the Pop 100 chart.
- Triple J Hottest 100 is an annual music poll, based on the votes of Australian youth radio station Triple J listeners
- The album 100 Days, 100 Nights by Sharon Jones & The Dap-Kings
- The song "100 Years Ago" by the Rolling Stones
- The song "100 Years" by Five for Fighting
- The song "A Hundred Men" by Glenn Yarbrough
- The song "A Hundred Pounds of Clay" by Gene McDaniels
- The song "Nothing Like a Hundred Miles" by James Taylor
- The song "One Hundred Years From Now" by the Byrds
- The song “One Hundred Ways” by Quincy Jones
- The song "100 Ways" by Porno for Pyros
- The song "100 Miles and Runnin'" by N.W.A
- 100, Dear Jane's debut album, released on August 27, 2006, came with a DVD with some of the band's MVs and a documentary.
- Haircut 100 was a pop rock-influenced band, formed in 1980 by Nick Heyward, whose most successful single was "Love Plus One"
- The 100 Club is a music venue at 100 Oxford Street in London
- 100 Proof (Aged in Soul) was a funk/soul group formed in Detroit, Michigan in 1969
[edit] In television
[edit] In sports
[edit] See also
[edit] External links
[edit] References
- Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 133
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