63 (number)
From Wikipedia, the free encyclopedia
| 63 | |
|---|---|
| Cardinal | sixty-three |
| Ordinal | 63rd (sixty-third) |
| Factorization |  |
| Divisors | 1, 3, 7, 9, 21, 63 |
| Roman numeral | LXIII |
| Binary | 1111112 |
| Octal | 778 |
| Duodecimal | 5312 |
| Hexadecimal | 3F16 |
63 (sixty-three) is a natural number following 62 and preceding 64.
Contents |
[edit] In mathematics
Although a number of the form 2n - 1, 63 is not a Mersenne prime since n is not prime and 63 is certainly not prime either. It is a Woodall number and a Harshad number. It is a highly cototient number. It is a repdigit in base 4 (333).
[edit] In science
- The atomic number of europium, a lanthanide
[edit] Astronomy
- Messier object M63, a magnitude 8.5 galaxy in the constellation Canes Venatici, also known as the Sunflower Galaxy.
- The New General Catalogue object NGC 63, a spiral galaxy in the constellation Pisces
- The Saros number of the solar eclipse series which began on -879 April 20 and ended on 401 May 29. The duration of Saros series 63 was 1280.1 years, and it contained 72 solar eclipses.
- The Saros number of the lunar eclipse series which began on -758 October 12 and ended on 739 March 29. The duration of Saros series 63 was 1496.5 years, and it contained 84 lunar eclipses.
[edit] In other fields
Sixty-three is:
- The code for international direct dial calls to the Philippines
- The registry of the U.S. Navy's aircraft carrier USS Kitty Hawk (CV-63)
- The number of the French department Puy-de-Dôme
- A card game, popular in Carleton County, New Brunswick
- The Stoner 63, a machine gun
- The number of chromosomes found in the offspring of a donkey and a horse
- Class of '63 was a TV movie starring James Brolin (1973)
- December, 1963 (Oh, What a Night) sung by The Four Seasons
- Dwight Eisenhower when first elected president in 1952 at age 63
- Elizabeth Kingsley created the first double-crostic puzzle at age 63
[edit] In sports
- Tom Dempsey of New Orleans Saints, Nov. 8, 1970, and Jason Elam of the Denver Broncos, Oct. 25, 1988) had NFL record 63-yard field goals
- Indianapolis Colts Jeff Saturday wears #63
- NFL Houston Oilers Mike Munchak wore #63
- Kansas City Chiefs Willie Lanier wore #63
- Tampa Bay Buccaneers Lee Roy Selmon wore #63
- Michael Jordan scored a record 63 points in a Chicago Bulls –Boston Celtics (double-overtime) NBA playoff game on April 20, 1986
