99999...99999 (9001-digits)

This number is a prime.

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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]

Submitted: 2005-05-21 21:39:44; Last Modified: 2008-01-30 17:28:00.