This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
Single Curio View: (Seek other curios for this number)The smallest titanic prime formed by concatenating in order n successive palindromic primes, (case n=181). Curiously n is also palindromic prime. [Gupta]
Submitted: 2019-03-24 18:55:01; Last Modified: 2019-03-24 18:55:44.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell