Tuesday, September 7, 2010

907

907 is a prime number.

907, 9907, 99907, 999907, and 9999907 are all primes.

907 is conjectured to be the largest prime that can be represented uniquely as the sum of three distinct positive squares: 907 = 32 + 132 + 272.

907 is 32023 in base 4.

Reversing 907 gives the prime 709.

907 is the telephone area code that covers that largest area of the United States, nearly all of the state of Alaska.

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