1109869

This number is a prime.

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The smallest invertible super-prime p containing all of the invertible digits {0, 1, 6, 8, 9} such that π(p) = 86441 is a Sophie Germain prime. [Bajpai]

Submitted: 2020-02-03 18:17:02;   Last Modified: 2020-02-03 20:05:19.
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