|
A repunit is a number consisting of copies of the single digit 1. The term "repunit" was coined by Beiler (1966), who also gave the first tabulation of...
|
||
|
Welcome to the Prime Glossary: a collection of definitions, information and facts all related to prime numbers. This pages contains the entry titled 'repunit.' The term repunit comes from the words 'repeated' and 'unit;' so repunits are positive integers in which every digit is one.
|
||
|
Repunit - Wikipedia, the free encyclopedia
In recreational mathematics, a repunit is a number like 11, 111, or 1111 that contains only the digit 1. The term stands for repeated unit and was coined in 1966 by A.H. Beiler.
en.wikipedia.org/wiki/Repunit |
||
|
Since 16 Jun 2000 STUDIO KAMADA English text only. = prime factor prime factorexponent prime factor...
|
||
|
It took a while, and I didn't find any new prime repunit. The currently known prime repunits have 2, 19, 23, 317, 1031, 49081, 86453, 109297, and 270343 digits.
|
||
|
Factors of Repunit Numbers This page provides the latest results of factorizations of repunit numbers .
|
||
|
The term repunit comes from the words 'repeated' and 'unit;' so repunits are positive integers in which every digit is one. Repunit primes are repunits that are prime. For example, 11, 1111111111111111111, and 11111111111111111111111 (2, 19, and 23 digits).
|
||
|
Note: This is the alternative Repunit Primes page, for WWW browser which cannot display special symbols. In particular, I am using ^2 for "squared" and +- for "plus or minus" in this version. A repunit is a number which is a series of ones (such as 11 or 11111). Such a number depends on the base that you are using.
|
||
|
[July 11, 2007 ] Maksym Voznyy (email) announces a New Probable Prime Repunit, [May 20, 2001 ] Hans Havermann (email) provided me a list with prime factors upto repunit R236. The ones that have not yet been completely factored are R197, R223, R227 and R233. Hans Havermann, Factorization of Repunits, 1 < n < 236...
|
||
|
Amygdala: The World on a Website. A Showcase of articles written or edited by Simon Whitechapel. • All triplets in all bases are multiples of 111 in that base, therefore 111 is the only triplet that can ever be prime.
|
