# Copeland–Erdős constant

> number whose decimal representation is the concatenation of "0." with the base 10 representations of the prime numbers in order

**Wikidata**: [Q931099](https://www.wikidata.org/wiki/Q931099)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Copeland–Erdős_constant)  
**Source**: https://4ort.xyz/entity/copeland-erd-s-constant


## References

1. Freebase Data Dumps. 2013