6284968128335503367
This number is a prime.
628496812 8335503367
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The smallest prime containing the ordered concatenation of the first five consecutive perfect numbers (6, 28, 496, 8128, 33550336). [Loungrides]
Submitted: 2011-01-17 10:58:14; Last Modified: 2019-01-08 23:23:22.
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