# Hexadecimal

Counting system based on 16. Has 0 through 9 and A through F as the digits. In spoken language, pronounced Hex. Usually used as a condensed notation for binary numbers.

*This will convert decimal numbers up to 65535 and hexadecimal up to FFFF*

Each hexadecimal digit can be represented by a four-bit binary number.

**See also: **Unsigned Binary Number.

**Subjects: ** Computing Mathematics