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LonelyJar Veteran
Joined: 15 Sep 2013Gender: MalePosts: 2,073
In number theory, a deficient number is a positive integer for which half the sum of its positive divisors is less than the number itself. Let's list off these numbers (sequence A005100 in the OEIS) one by one: 1
Timdil Butterfly
Joined: 17 Nov 2017Age: 20Gender: MalePosts: 16Location: Canada
2
