About: http://webisa.webdatacommons.org/13524977

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	The fact that the number of divisors is odd iff our number is a perfect square can also be done in a formula-free way by a pairing argument.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com