This number is a prime.
Single Curio View: (Seek other curios for this number)The smallest prime p such that a prime is formed both from the ordered and the reverse concatenations of the first noncomposites up to p: 123571113171923 ; 231917131175321. [Beedassy]
Submitted: 2009-09-14 06:07:51; Last Modified: 2009-09-14 19:24:29.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell