# vigesimal

> numeral system based on twenty

**Wikidata**: [Q842387](https://www.wikidata.org/wiki/Q842387)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Vigesimal)  
**Source**: https://4ort.xyz/entity/vigesimal


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Freebase Data Dumps. 2013
3. National Library of Israel Names and Subjects Authority File