Radix
From wikinotes
A number's radix or number's base describes when the next higher digit gets incremented.
For example, in the decimal number system (base-10), incrementing beyond 9
adds an extra digit 10
.
In the binary number system (base-2), incrementing beyond 01
increments the higher digit 10
.
Documentation
wikipedia https://en.wikipedia.org/wiki/Radix