Friday, November 8, 2013

9661

9661 is a prime number.

9661 is the lower prime of a difference of 16 between consecutive primes (A031934).

9661 has a representation as a sum of two squares; it is the sum of two consecutive squares (A027862 and A163251): 9661 = 692 + 702.

9661 is the hypotenuse of a primitive Pythagorean triple (A067756 and A140391): 96612 = 1392 + 96602.

9661 is a divisor of 2615 - 1.


Source: On-Line Encyclopedia of Integer Sequences

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