# factorial

> product of all integers between 1 and the integral input of the function

**Wikidata**: [Q120976](https://www.wikidata.org/wiki/Q120976)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Factorial)  
**Source**: https://4ort.xyz/entity/factorial


## References

1. Freebase Data Dumps. 2013
2. ISO 80000-2:2019 Quantities and units — Part 2: Mathematics
3. BabelNet
4. Quora
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)