repunit
/ˈrɛpˌjuːnɪt/Mathematics
noun
A number consisting of a sequence of 1s or the single digit 1.
- The generalized repunit number can be expressed as (10k − 1)/9, where k is a whole number..
Origin
1960s. From rep- + unit. Compare repetend.
- railway engine
- railway guide
- railway hotel
- railwaying
- Railway Institute
- railway label
- railwayless
- railway letter
- Railway Library
- railwayman
- railway mania
- railway novel
- railway pass
- railway rug
- railway speed
- railway spine
- railway station
- railway stock
- railway switch
- railway time
- railway warrant
- railway whistle
- railway works
- railway yard
- rail work