Monday, February 6, 2012

710

710 = 2 x 5 x 71.

710 is a divisor of 917 - 1.

710 is 222022 in base 3. It is 868 in base 9.

The sum of the divisors of 710 is a square: 1 + 2 + 5 + 10 + 71 + 142 + 355 + 710 = 1296 = 362.

710 is the sum of nine positive fifth powers: 710 = 35 + 35 + 25 + 25 + 25 + 25 + 25 + 25 + 25.


710 is the number of connected graphs with 9 edges.

Source: What's Special About This Number?

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