5513600773
This number is a prime.
Prime basenumber p of a palindromic triangular of length 20 {(p2 + p)/2 = 15199896744769899151}. [De Geest]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
Prime basenumber p of a palindromic triangular of length 20 {(p2 + p)/2 = 15199896744769899151}. [De Geest]