About: http://webisa.webdatacommons.org/382499428

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	A number is a perfect square if and only if it has odd number of positive divisors
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com