Tuesday, June 16, 2009

518

518 = 2 x 7 x 37.

518 = 51 + 12 + 83.

518 is 2222 in base 6.

518 is a number n such that n2 has the property that the sum of its digits and the product of its digits are nonzero squares: 5182 = 268324; 2 + 6 + 8 + 3 + 2 + 4 = 25 = 252; 2 x 6 x 8 x 3 x 2 x 4 = 2304 = 482.


518 is the telephone area code for Albany, N.Y.

Source: What’s Special About This Number?

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