This number is a prime.

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The 1026th emirp (71263) and the 1026th Sophie Germain prime (84509) are the only nth emirp and nth Sophie Germain prime that together contain the ten digits exactly once each. [Gaydos]

Submitted: 2018-04-30 20:07:14;   Last Modified: 2018-04-30 20:31:47.
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