90807...70809 (33-digits)

This number is a prime.

                                        908 0706050403 0201020304 0506070809

+ A curious pandigital prime palindrome with prime digital sum. [Patterson]

+ A palindromic prime formed by inserting the zero in the descending and ascending concatenation of the other digits. [Silva]

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