881

This number is a prime.

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The smallest nontrivial (mutidigit) Sophie Germain prime p such that p-pi(p) is a perfect cube, i.e., (881-152 = 9^3). [Bajpai]

Submitted: 2018-10-18 12:10:10;   Last Modified: 2018-10-18 12:41:42.
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