12031...02101 (25-digits)

This number is a prime.

12031 0031002032 1000302101

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Each digit from left to right of 1203100310020321000302101 is equal to the number of Mersenne primes between consecutive perfect numbers. [Honaker]

Submitted: 2024-01-28 14:17:57; Last Modified: 2024-01-28 14:25:07.