6466

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6466, made from a semiprime number of semiprime digit, is the largest known n for which the nth prime (64661) begins with the digits of n. Of course, delete the 4 and get the beastly 666. [Post]

Submitted: 2009-07-06 01:30:53;   Last Modified: 2009-07-06 07:12:41.
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