Thursday, July 31, 2014

7289

7289 = 37 x 197.

7289 and each of its two divisors include the digit 7 (A062676).

7289 is 2929 in base 14.

7289 has two representations as a sum of two squares: 7289 = 82 + 852 = 202 + 832.

7289 is the hypotenuse of two primitive Pythagorean triples: 72892 = 13602 + 71612 = 33202 + 64892.

7289 divides 1412 - 1.


Source: OEIS

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