Wednesday, August 5, 2009

784

784 = 24 x 72.

784 is a square number: 28 x 28 = 784.

784 is the square of the sum of the first seven integers: (1 + 2 + 3 + 4 + 5 + 6 + 7)2 = 784.

784 is the sum of the first seven cubes: 13 + 23 + 33 + 43 + 53 + 63+ 73 = 784.

784 is 1002001 in base 3 and 3344 in base 6.

Asteroid 784 Pickeringia was discovered in 1914.

Source: Numeropedia
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