20basierte

20basierte is a German term used to describe systems, models, or analytical approaches that are based on the number twenty. In mathematics and computer science, a 20basierte numeral system uses 20 as its base, with digits representing values from 0 to 19 and place values that are powers of 20. In practice, such systems are collectively referred to as vigesimal numeral systems. The best-known historical example is the Mayan numeral system, which employs base-20 structure and combines symbols for twenty, two hundred, etc., in a positional arrangement; other cultures have used vigesimal counting partially or entirely, and some languages retain twenty-based counting for specific words or scales, as in the use of 'score' to denote twenty in some Germanic and Romance-derived terms.

In contemporary discourse, 20basierte approaches are primarily of interest in the study of numeral theory, history of mathematics, linguistics, and the anthropology of numbers. The term is most often used descriptively rather than as a practical standard, since decimal (base-10) remains dominant in modern computation and everyday counting. When referring to 20basierte systems, researchers may discuss digit representation, arithmetic algorithms, and conversion between base-20 and decimal or other bases, noting that base-20 can complicate modern software design due to non-standard digit sets or lack of widespread hardware support.

Related topics include vigesimal numeral systems, Mayan numerals, and general discussions of numeral bases such as binary, decimal, duodecimal, and hexadecimal.