10608808080880601
This number is a prime.
1060880 8080880601
A palindromic prime that becomes a semiprime with tetradic factors if turned upside down. [Volpatti]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
1060880 8080880601
A palindromic prime that becomes a semiprime with tetradic factors if turned upside down. [Volpatti]