Monday, June 1, 2009

543

543 = 3 x 181.

543 is a number whose square (5432 = 294,849) and cube (5433 = 160,103,007) use different digits.

543 is a number that cannot be written as the sum of three squares.

543 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: 5432 = 294849; 2 + 9 + 4 + 8 + 4 + 9 = 36 = 362; 2 x 9 x 4 x 8 x 4 x 9 = 20736 = 1442.

543 Charlotte is an asteroid discovered in 1904.

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