917 = 7 x 131.
917 is the only positive number known whose ninth power can be written as a sum of 10 ninth powers.
917 is a number divisible by the sum of the squares of its digits: 92 + 12 + 72 = 131.
The Porsche 917 is a racing car that gave its manufacturer its first overall wins in the 24 Hours of Le Mans race.
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