This number is a prime.
Single Curio View: (Seek other curios for this number)The first repunit prime. The term repunit (coined by A. H. Beiler in 1966) comes from the words repeated and unit, so repunits are positive integers in which every digit is 1.
Submitted: 1999-09-02 18:40:00; Last Modified: 2009-01-22 21:40:08.
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