ATLAS OF LANGUAGE

AT-144-008 · ATLAS 251

Vigesimal numeral system

A numeral system whose expressions are substantially organised around base twenty.

Explanation

Numeral bases show that even familiar numbers can be assembled through different linguistic calculations. The mathematical value remains stable while its verbal architecture changes.

Example

Basque builds 256 through a hybrid pattern of hundreds, twenties and a remainder. Diola-Fogny can express 51 as ‘two twenties and eleven’, while Mandarin 26 is transparently ‘two ten six’.

Counterexample

English twenty names 20 but does not make the entire English numeral system vigesimal.

Distinction

same number, different verbal calculation

Effect on thought and perception

Exposes the hidden arithmetic inside number words and separates number from its linguistic construction.

Resonance

Compositionality becomes an audible movement of calculation.

Cite this entry

Reich, Michael (Hrsg./ed.): „Vigesimal numeral system“. Atlas der Sprache, AT-144-008. ATLAS 251, data model 1.6.0. https://atlasoflanguage.com/concept/AT-144-008

https://atlasoflanguage.com/concept/AT-144-008

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