23

This number is a prime.

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There are 23 primes which can not be written as a sum of (nonunit) cubes. Note that 23 is the largest prime which cannot be written as a sum of (nonunit) squares. [Hartley]

Submitted: 2003-07-27 21:26:25;   Last Modified: 2008-01-30 11:28:00.
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