86969
This number is a prime.
The prime 86969 is the only five-digit number m such that
π(m) and prime(m) are palindromic numbers. [Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The prime 86969 is the only five-digit number m such that
π(m) and prime(m) are palindromic numbers. [Firoozbakht]