About: http://webisa.webdatacommons.org/16845512

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In this article, four types of numbers will be considered: prime numbers, Mersenne numbers, Mersenne prime numbers, and perfect numbers.
http://www.w3.org/ns/prov#wasQuotedFrom	onlamp.com