59
This number is a prime.
Single Curio View: (Seek other curios for this number)
The number of 3-digit primes whose middle digit is a member of the prime-digit set Q {2,3,5,7) is prime, where π(59) =
sum of Q. [Worrom]
Submitted: 2022-02-09 19:19:49; Last Modified: 2022-02-09 19:34:30.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell