467

This number is a prime.

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The first two-loops-in-digits prime p whose sum of digits equals the number of two-loops-in-digits primes less than or equal to p. Note that the sum of digits = 4*6-7. [Worrom]

Submitted: 2022-12-30 16:51:00;   Last Modified: 2022-12-31 14:21:42.
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