30928211
This number is a prime.
 
30928211 is the smallest prime that generates 4 more primes by repeated square-and-reverse operations.  [Keith]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
 
30928211 is the smallest prime that generates 4 more primes by repeated square-and-reverse operations.  [Keith]