Wednesday, May 25, 2011

707

707 = 7 x 101.

707 is the smallest number whose reciprocal has period 12: 1/707 = 0.001414427157001414427157001. . .

707 is the sum of five consecutive primes: 707 = 131 + 137 + 139 + 149 + 151.

707 is the sum of three nonzero fourth powers: 707 = 54 + 34 + 14.

707 is the sum of five distinct pentatope numbers: 707 = 495 + 126 + 70 + 15 + 1.

707 x 715 = 505505.

The Boeing 707 was a commercial passenger jet airliner, which first flew in 1957.

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