Migration complete - please let us know if anything isn't working.
This number is a prime.
The largest emirp that can be expressed as a sum of powers using all the prime digits as bases and exponents but with different digits as base and exponent in any power, i.e., 2^7+3^5+5^2+7^3. [Loungrides]
The smallest prime with irregularity index five. [Luen]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell