Jump to content

Duffinian numbers: Difference between revisions

m
Promote. multiple implementations, no questions
(Added Sidef)
m (Promote. multiple implementations, no questions)
Line 1:
{{draft task}}
 
A '''Duffinian number''' is a composite number '''k''' that is relatively prime to its sigma sum '''σ'''.
10,333

edits

Cookies help us deliver our services. By using our services, you agree to our use of cookies.