Number - Base (or Radix)

About

The radix or base 1) is the number of unique digits, including zero, used to represent numbers in a positional numeral system.

Example

Decimal

For the decimal system the radix is ten, because it uses ten digits:

  • 0
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9

Binary

For the binary system the radix is 2, because it uses only two digits:

  • 0
  • 1