Thread: On The Square
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Old 01-01-2013, 02:27 AM   #100
lightgiver
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Arrow 50

Fifty is the smallest number that is the sum of two non-zero square numbers in two distinct ways: 50 = 12 + 72 = 52 + 52. It is also the sum of three squares, 50 = 32 + 42 + 52. It is a Harshad number...
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