102 (number)
|
|
102 (one hundred two) is the natural number following 101 and preceding 103.
| |||
| Cardinal | one hundred [and] two | ||
| Ordinal | 102nd (one hundred [and] second) | ||
| Factorization | <math>2 \cdot 3 \cdot 17<math> | ||
| Divisors | 2, 3, 6, 17, 34, 51. | ||
| Roman numeral | CII | ||
| Binary | 1100110 | ||
| Hexadecimal | 66 | ||
In mathematics
102 is an abundant number, a sphenic number and a Harshad number. It is the sum of four consecutive prime numbers (19 + 23 + 29 + 31).
In science
- The atomic number of nobelium, an actinide.
In astronomy,
- Messier object M102, possibly the Spindle Galaxy, a magnitude 10.5 spiral galaxy in the constellation Draco
- The New General Catalogue object (http://www.ngcic.org/) NGC102, a galaxy in the constellation Cetus
- The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/SEsaros/SEsaros1-175.html) of the solar eclipse series which began on 376 May 5 and ended on 1638 June 12. The duration of Saros series 102 was 1262.1 years, and it contained 71 solar eclipses.
- The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/LEsaros/LEsaros1-175.html) of the lunar eclipse series which began on 461 October 5 and ended on 1958 April 4. The duration of Saros series 102 was 1496.5 years, and it contained 84 lunar eclipses.
In other fields
102 is also:
- In the title of the movie 102 Dalmatians, starring Glenn Close.
- The number of the space shuttle mission STS-102.
- The year AD 102 or 102 BC.ko:102