# cyclic number

> natural number n such that n and φ(n) are coprime

**Wikidata**: [Q5198222](https://www.wikidata.org/wiki/Q5198222)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cyclic_number_(group_theory))  
**Source**: https://4ort.xyz/entity/cyclic-number-q5198222