11069
This number is a prime.
The largest invertible prime to appear in the first 1000 digits of Golden Ratio, starting at the digit 955. [Gupta]
11069 and 11071 are the smallest Cyclops prime twins in which one is a Sophie Germain prime and the other is a Honaker prime. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell