Tuesday, October 6, 2009

315

315 = 32 x 5 x 7.

315 = (4 + 3) × (4 + 1) × (4 + 5).

3152 = 253 + 263 + 273 + 283 + 293 = 99,225.

315 is a divisor of 642 - 1.

315 is a number divisible by each of its digits.

315 is the telephone area code for Syracuse, New York.

Source: What’s Special About This Number?

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