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
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 NGC102 , a galaxy in the constellation Cetus

Asteroid 102 Miriam

The Saros number 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 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.