1229
This number is a prime.
Just showing those entries submitted by 'Sariyar': (Click here to show all)
The smallest multidigit Sophie Germain prime and emirp p such that Reversal(p) is also a Sophie Germain prime and p+2 is also an emirp. [Sariyar]
Largest number n (also prime) such that number of digits of n equals the number of digits of the n-th prime. [Sariyar]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell