# deficient number

> natural integer number for which the sum of its proper strict divisors (other than itself) is less than the number itself

**Wikidata**: [Q467511](https://www.wikidata.org/wiki/Q467511)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Deficient_number)  
**Source**: https://4ort.xyz/entity/deficient-number


## References

1. Freebase Data Dumps. 2013