This number is a prime.

+ The smallest prime whose digits are the complements of the composite digits 6, 8, 4, 9. [Loungrides]

+ There are no beast numbers in the first 4261 multiples of 15625. Is there any number that has more than 4261 non-beast first n multiples? [Gaydos]

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