17471

+ The smallest palindromic super-3 prime, i.e., a palprime p such that 3p3 contains 3 consecutive 3's in its decimal representation. [De Geest]

+ The largest straight-digit palindromic prime with the least digital length containing all of the straight digits. [Loungrides]

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