About: http://webisa.webdatacommons.org/319806821

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	I know that if the number is a perfect square then it will be congruent to 0 or 1 (mod 4).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com