This number is a prime.
Single Curio View: (Seek other curios for this number)The number with each prime digit d repeated d times and the whole sandwiched between two blocks of prime 2357, is prime: 2357223335555577777772357. [Beedassy]
Submitted: 2008-12-26 18:24:17; Last Modified: 2008-12-29 08:38:31.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell