Wednesday, December 2, 2009

881

881 is a prime number.

881 has a representation as the sum of two squares: 162 + 252.

881 and 883 form a twin prime pair.

881 is the hypotenuse of a primitive Pythagorean triple: 8812 = 3692 + 8002.

881 is the largest three-digit prime of any form ABC such that AB + C, A + BC, and A + B + C are prime: 88 + 1 = 89, 8 + 81 = 89, and 8 + 8 + 1 = 17.

881 is a 2007 Singaporean musical-comedy-drama film written and directed by Royston Tan.

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