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This number is a prime.
10^9001-3916193*10^4497-1 is the largest known palindromic prime (as of May 2005) with curved digits (0, 3, 6, 8, 9) only, such that each curved digit appears at least once. [Earls]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell