This number is a prime.

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The smallest invertible prime p containing all of the invertible digits {0, 1, 6, 8, 9} such that p^6 + k is prime, where k is an integer formed by concatenating in ascending order the first six digits d, d times each of them. [Bajpai]

Submitted: 2020-05-19 13:56:23;   Last Modified: 2020-05-20 21:57:51.
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