216

This number is a composite.

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216 is the smallest number that may be expressed as the difference of the sums of the squares of successive twin primes (13^2 + 11^2) - (7^2 + 5^2). [King]

Submitted: 2002-09-20 07:05:24;   Last Modified: 2008-04-09 16:46:45.
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