242 (number)
Appearance
242 is the natural number following 241 and preceding 243.
Template:Numbers 0-1000 | |
Cardinal | Two hundred [and] forty two |
Ordinal | 242nd |
Factorization | |
Divisors | 1, 2, 11, 22, 121 |
Roman numeral | CCXLII |
Binary | 11110010 |
Hexadecimal | F2 |
In mathematics
242 is the smallest integer to start a run of four consecutive integers with the same number of divisors.[1][2]
242 is a nontotient since there is no integer with 242 coprimes below it.
242 is a palindrome.
In other fields
242 is also:
- part of the name of a Belgian electronic body music group called Front 242
- the number of a notable UN Security Council resolution pertaining to the Arab/Israeli conflict, United Nations Security Council Resolution 242
- The area code of The Bahamas located in the North West Atlantic Ocean.
- Volvo 242 (2xx-series, 4-cylinder, 2-door) Produced from 1974-1984.5
References
- ^ R. K. Guy Unsolved Problems in Number Theory, section B18.
- ^ D. Wells, The Penguin Dictionary of Curious and Interesting Numbers, Penguin Books, NY, 1986: 147, 176.