3467

This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The smallest emirp containing all distinct digits n for which n!-1 is a factorial prime. [Loungrides]

+ The smallest distinct-digit 4-digit emirp whose the complementary digits create its emirp, i.e., 7643. Is there another such prime? [Loungrides]

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