Representation of numbers using symbols.

Base-two number representation system.

Base-ten positional value system.

Base-eight positional numeral system.

Base-two positional value representation system.

Method for expressing numbers systematically.

(mathematics) A numeral system that uses digits to establish a bijection between finite strings and the positive integers, especially by k-adic notation such as unary and decimal without a zero.

(mathematics) Either of two related numeration systems based on continued fractions: a non-standard positional numeral system for integers, and a non-integer representation of real numbers.