Friday, September 18, 2009

1117

1117 is a prime number.

1117 has a representation as a sum of two squares: 1117 = 212 + 262.

1117 is the hypotenuse of a primitive Pythagorean triple: 11172 = 2352 + 10922.

1117 is the smallest four-digit unholey prime: Such primes do not have holes in their digits.

1117 is the smallest four-digit prime comprised of two two-digit primes.


"One Thousand One Hundred Seventeen" is the smallest number whose English name is spelled with exactly thirty letters.

Source:
Number Gossip
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