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This number is a prime.
6999 9999998686 8668888861
Single Curio View: (Seek other curios for this number)The largest nonprime-digit invertible prime with each digit d appearing exactly d times. [Beedassy]
Submitted: 2010-06-18 10:32:40; Last Modified: 2011-01-26 02:58:33.
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