1111111111111111111111

This number is a composite.

11 1111111111 1111111111

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The smallest repunit whose prime factors contain all digits from 0 to 9 (1111111111111111111111 = 11*11*23*4093*8779*21649*513239). [Gupta]

Submitted: 2003-12-27 03:01:34; Last Modified: 2008-01-30 17:28:00.