vigesimal
Sign in to savethumb|The Maya numerals are an example of a base-20 numeral system.
Article
20 sectionsContents
- Places
- Fractions
- Cyclic numbers
- Irrational numbers
- Use
- Quinary-vigesimal
- Africa
- Americas
- Asia
- Oceania
- Caucasus
- Europe
- Software applications
- Related observations
- Examples in Mesoamerican languages
- Powers of twenty in Yucatec Maya and Nahuatl
- Counting in units of twenty
- Notes
- Sources
- Further reading
thumb|The Maya numerals are an example of a base-20 numeral system.
A vigesimal ( ) or base-20 (base-score) numeral system is based on twenty (in the same way in which the decimal numeral system is based on ten). Vigesimal is derived from the Latin adjective , meaning 'twentieth'.