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242 (number)

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Title: 242 (number)  
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Subject: 243 (number), 241 (number), 240 (number), 11 (number), Undulating number
Collection: Integers
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242 (number)

241 242 243
Cardinal two hundred forty-two
Ordinal 242nd
(two hundred and forty-second)
Factorization 2 × 112
Roman numeral CCXLII
Binary 111100102
Ternary 222223
Quaternary 33024
Quinary 14325
Senary 10426
Octal 3628
Duodecimal 18212
Hexadecimal F216
Vigesimal C220
Base 36 6Q36

242 is the natural number following 241 and preceding 243.

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
  • A rumoured time for the release of Radiohead's pre-sale for their 2012 tour.
  • The total number of Power Stars a player can collect in Super Mario Galaxy and Super Mario Galaxy 2 for the Wii.
  • Kepler-69c, is 70 percent larger than the size of Earth, and orbits in the habitable zone of a star similar to our sun. Astronomers are uncertain about the composition of Kepler-69c, but its orbit of 242 days around a sun-like star resembles that of our neighboring planet Venus.


  1. ^ R. K. Guy Unsolved Problems in Number Theory, section B18.
  2. ^ D. Wells, The Penguin Dictionary of Curious and Interesting Numbers, Penguin Books, NY, 1986: 147, 176.
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