5867

This number is a prime.

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5867 divides the concatenation of a prime p and p+1 (i.e., 211 and 212 -> 211212) a perfect square number of times. Are there other primes like 5867? [Leonardis]

Submitted: 2020-07-08 11:35:09;   Last Modified: 2020-07-08 13:30:00.
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