10529

This number is a prime.

+ The smallest Sophie Germain prime for which its safe prime is a rearrangment of the same digits. [Gaydos]

+ Removing the zero from the 1287th prime number (10529) produces the 1287th composite number (1529). [Gaydos]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell