56 (number)
Encyclopedia : 5 : 56 : 56N : 56 (number)
56 (fifty-six) is the natural number following 55 and preceding 57.
| Cardinal | 56 fifty-six |
| Ordinal | 56th fifty-sixth |
| Factorization | [2^3\cdot 7] |
| Divisors | 2, 4, 7, 8, 14, 28 |
| Roman numeral | LVI |
| Binary | 111000 |
| Hexadecimal | 38 |
In mathematics
56 is the sum of the first six triangular numbers (making it a tetrahedral number), as well as the sum of six consecutive primes (3 + 5 + 7 + 11 + 13 + 17). It is also a tetranacci number and a pronic number. Adding up the divisors of 1 through 8 gives 56.
The maximum determinant in an 8 by 8 matrix of zeroes and ones is 56.
In science
- The atomic number of barium
Astronomy
- Messier object M56, a magnitude 9.5 globular cluster in the constellation Lyra
- The New General Catalogue [object] NGC 56, an unverified object in the constellation Pisces. NGC 76 does not appear to be a real object.
- The Saros [number] of the solar eclipse series which began on -1172 July 17 and ended on 144 September 15. The duration of Saros series 56 was 1316.2 years, and it contained 74 solar eclipses.
- The Saros [number] of the lunar eclipse series which began on -852 May 7 and ended on 428 June 13. The duration of Saros series 56 was 1280.1 years, and it contained 72 lunar eclipses.
In other fields
Fifty-six is also:
- The number of men who signed the United States Declaration of Independence.
- The code for international direct dial phone calls to Chile.
- The maximum speed of analog data transmission over a POTS in the 20th century was 56 kbit/s.
- The name of the town Fifty-Six, Arkansas.
- The number of men of Netophah at the Census of men of Israel upon return from exile (Holy Bible, Ezra 2:22).
- The year AD 56, 56 BC, or 1956, and thus the symbol of the anti-Soviet revolution in Hungary.
- In baseball, the number of consecutive games in which Joe DiMaggio had a base hit in 1941, still a record.
- The car number of Ray Peyton, Jr. (Breckin Meyer) in Herbie Fully Loaded -- until he wrecked later in the film.
- The Number of times that the word "Yeah" is used by Michael Stipe (R.E.M.) in "Man on the Moon".
- Also the number of times "Yeah" is used in the song lithium by Nirvana, this could have possibly influenced R.E.M..
- Famous Brazilian politician, Enéas Carneiro has an odd way of repeating the number of his party, "fifty-six" (cinqüenta e seis, in Portuguese), that made it a widely repeated jargon in his country.
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