1063
This number is a prime.
Just showing those entries submitted by 'Porter': (Click here to show all)
The smallest prime p for which the number of primes less
than 10p is a fourth power (the number of primes less than
10*1063 = 1296 = 6^4). [Porter]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell