About: http://webisa.webdatacommons.org/68674400

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	It very much looks like the roots are the positive integers up to an including n (especially with the example you gave).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com