<http://webisa.webdatacommons.org/prov/54369758> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/277235387> . <http://webisa.webdatacommons.org/277235387> <http://www.w3.org/ns/prov#value> "In short:A perfect number is a number where the positive divisors (other than the number itself), when summed, add up to the perfect number. 6 has divisors 1, 2, and 3 (and 6), and since 1+2+3=6, 6 is a perfect number." . <http://webisa.webdatacommons.org/277235387> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/277235387> <http://www.w3.org/ns/prov#wasQuotedFrom> <artsandfaith.com> .