Item:Q8758: Difference between revisions

Created a new Item: deficient number, natural integer number for which the sum of its proper strict divisors (other than itself) is less than the number itself
 
Created claim: defining formula (P333): \sigma(n)-2n=s(n)-n<0
 
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Property / subclass of
 
Property / subclass of: natural number / rank
 
Normal rank
Property / defining formula
 

\sigma(n)-2n=s(n)-n<0
Property / defining formula: / rank
 
Normal rank