102 (one hundred [and] 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 | 1, 2, 3, 6, 17, 34, 51, 102 |
| Roman numeral | CII |
| Binary | 1100110 |
| Hexadecimal | 66 |
Contents |
In mathematics
102 is an abundant number and semiperfect number. It is a sphenic number. It is the sum of four consecutive prime numbers (19 + 23 + 29 + 31). The sum of Euler's totient function φ(x) over the first eighteen integers is 102. 102 is the third base 10 polydivisible number, since 1 is divisible by 1, 10 is divisible by 2 and 102 is divisible by 3. This also shows that 102 is a Harshad number.
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:
- The year AD 102 or 102 BC
- SEPTA Routes 101 and 102 are two tram lines operated by the Southeastern Pennsylvania Transportation Authority (SEPTA)
- A London bus route running from Edmonton to Golders Green calling at Bounds Green and Muswell Hill
- The emergency telephone number for fire in Israel
- The 2000 live-action movie 102 Dalmatians, starring Glenn Close
- STS-102 Space Shuttle Discovery mission launched March 8, 2001
- Channel 102 is a monthly live screening of 5-minute TV shows in New York City
- Radio stations such as 102.5 KSFM, Sacramento, CA and Fresh 102.7 WWFS, New York City
- The Orbiter Vehicle Designation for Shuttle Columbia
- The Empire State Building in New York City has 102 floors
- The 102nd United_States Congress met from January 3, 1991 to January 3, 1993, during the last two years of the President George H. W. Bush administration
- The One Hundred and Two River is a tributary of the Platte River of Missouri
- Highway 102 is a highway in the Thunder Bay District of Ontario, Canada
- Life 102: What to Do When Your Guru Sues You is a book written by Peter McWilliams in 1994
- The Symphony No. 102 in B flat major (Hoboken 1/102) is the tenth of the twelve so-called London Symphonies written by Joseph Haydn
- The Judds song "One Hundred And Two" from 1991
- The Model 102 telephone was Western Electric's first widely distributed telephone set to feature the transmitter and receiver in a common handset in 1927
- The 102nd Infantry Division was a unit of the United States Army in World War II from 1942 to 1946
In sports
- The Minnesota Twins best regular season record was 102-60 in 1965, and their worst regular season record: 60-102 in 1982
- Former San Francisco 49ers coach Bill Walsh retired after the 1988 season with 102 wins in 10 years
- Lotus 102 was a Formula One racing car in the 1990 Formula One season
- The 2006 World Series between the Detroit Tigers and the St. Louis Cardinals was the 102nd Fall Classic
See also
References
- Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 133
