4271
This number is a prime.
Putting a zero in the middle of the 586th prime number (4271) produces the 586th Sophie Germain prime. [Gaydos]
4271 is the first 4-digit prime number that lies within the
Glaisher-Kinkelin constant. [Pace]
The total number of seconds in 1h 11m 11s. [Gudipati]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean