# 131

This number is a prime.

Single Curio View: (Seek other curios for this number)

131 is the smallest pallindromic prime that remains so by inserting the following same digit d six times between its adjacent digits, one at a time, for d = 0, 1, 3, 4, 6, 9 (6 times): 10301 = prime 11311 = prime 13331 = prime 14341 = prime 16361 = prime 19391 = prime. [Rivera]
Submitted: 2018-07-04 22:21:30; Last Modified: 2018-12-13 14:47:07.

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell