Thursday, June 11, 2009

237

237 = 3 x 79.

237 is a number n such that n2 + 2 is a prime: 2372 + 2 = 56171.

237 is the smallest three-digit number with its digits being three distinct primes that is itself not prime and none of the permutations of its digits represents a prime number.

237 is the smallest number with the property that its first three multiples contain the digit 7: 237, 474, and 711.


Room
237 plays a significant role in the Stanley Kubrick film The Shining.

Source:
Prime Curios!

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