# prime constant

> real number whose nth binary digit is 1 if n is prime and 0 if n is composite or 1

**Wikidata**: [Q7243365](https://www.wikidata.org/wiki/Q7243365)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Prime_constant)  
**Source**: https://4ort.xyz/entity/prime-constant