|Numeral systems by culture|
|East Asian numerals|
|List of numeral system topics|
|Positional systems by base|
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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.
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:
|50||marrma dambumirri rulu|
|75||lurrkun dambumirri rulu|
|100||dambumiriw dambumirri rulu|
|125||dambumirri dambumirri rulu|
|625||dambumirri dambumirri dambumirri rulu|
The Chinese and Japanese versions of the abacus use a biquinary system to simulate a decimal system for ease of calculation.
Units of currencies are commonly partially or wholly biquinary.