122 (number)
From Wikipedia, the free encyclopedia
| 122 | |
|---|---|
| Cardinal | one hundred [and] twenty-two |
| Ordinal | 122nd (one hundred [and] twenty-second) |
| Numeral system | 122 |
| Factorization |  |
| Divisors | 1, 2, 61, 122 |
| Roman numeral | CXXII |
| Binary | 11110102 |
| Octal | 1728 |
| Duodecimal | A212 |
| Hexadecimal | 7A16 |
122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123.
Contents |
[edit] In mathematics
It is a nontotient since there is no integer with exactly 122 coprimes below it. Nor is there an integer with exactly 122 integers with common factors below it, making 122 a noncototient.
[edit] In telephony
- The fire emergency telephone number in Austria[1]
- The police emergency telephone number in Egypt
- The traffic emergency telephone number in China
[edit] In other fields
122 is also:
- The atomic number of the chemical element unbibium
- The number of men of Michmas at the census (Bible, Nehemiah 7:31)
- The age of Jeanne Calment when she died.
[edit] See also
[edit] References
- ^ Porter, Darwin; Danforth Prince (2009). Frommer's Austria. Hoboken, New Jersey: Frommer's. p. 482. ISBN 978-0-470-39897-5.
