123 (number)
From Wikipedia, the free encyclopedia
| Cardinal | 123 one hundred [and] twenty-three |
| Ordinal | 123rd one hundred [and] twenty-third |
| Factorization |  |
| Divisors | 3, 41 |
| Roman numeral | CXXIII |
| Prefixes | hecatontakaiicosikaitria- (Greek) |
| Binary | 1111011 |
| Octal | 173 |
| Duodecimal | A3 |
| Hexadecimal | 7B |
123 is the natural number following 122 and preceding 124.
[edit] In mathematics
123 is a Lucas number and the first nontrivial 42-gonal number. It is the eleventh member of the Mian-Chowla sequence.
In base 10 it is a Smarandche consecutive number.
[edit] In other fields
One hundred [and] twenty-three is also:
- The year AD 123 or 123 BC.
- The number 123 is the telephone number for the speaking clock in the United Kingdom.
[edit] See also
- Lotus 1-2-3
- One, Two, Three, a film by Billy Wilder
 |
This number article is a stub. You can help by expanding it. |
