Definitions by Manadar

repunit

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 Albert H. Beiler. A repunit prime is a repunit that is also a prime number.

My house number is 11 which is a repunit.

repunit by Manadar March 23, 2009