# User Contributed Dictionary

### Adjective

# Extensive Definition

Quinary (base-)
is a numeral
system with five as the
base. This originates from the five fingers on either hand.

In the quinary place system, five numerals from
0 to
4, are
used to represent any real number.
According to this method, five is
written as 10, twenty-five
is written as 100 and sixty is
written as 220.

## Usage

Many languages use quinary number systems, including Gumatj, Nunggubuyu,, Kuurn Kopan Noot and Saraveca. Of these, Gumatj is the only true "5-25" language known, in which 25 is the higher group of 5. The Gumatj numerals are shown below: A decimal system with 5 as a sub-base is called biquinary, and is found in Wolof and Khmer. A vigesimal system with 5 as a sub-base is found in Nahuatl and the Maya numerals.Roman
numerals are a biquinary system. The numbers 1, 5, 10, and
50
are written as I, V, X, and L respectively. Eight is VIII and
seventy is LXX.

The Chinese and Japanese versions of the abacus use a biquinary system to
simulate a decimal system for ease of calculation.

Urnfield
culture numerals and some tally mark
systems are also biquinary.

## References

## See also

## External links

- Quinary Base Conversion, includes fractional part, from Math Is Fun

quinary in Catalan: Sistema quinari

quinary in Spanish: Sistema quinario

quinary in French: Système quinaire

quinary in Korean: 오진법

quinary in Haitian: Sistèm kinè

quinary in Hungarian: Ötös számrendszer

quinary in Marathi: पंचमान पद्धत

quinary in Japanese: 五進法

quinary in Thai: เลขฐานห้า

quinary in Chinese: 五進位