Keywords

#repunit

Repunit

Numbers that contain only the digit 1

In recreational mathematics, a repunit is a number like 11, 111, or 1111 that contains only the digit 1 — a more specific type of repdigit. The term stands for "repeated unit" and was coined in 1966 by Albert H. Beiler in his book Recreations in the Theory of Numbers.

Wed 10th

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Repunit Repdigit List of repunit primes Permutable prime List of prime numbers Numerical digit Mersenne prime Wagstaff prime 50,000 111 (number)
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