Thursday, July 23, 2015

tmbg inspired primes, perfect, deficient and abundant numbers

A quick conversation summary, inspired by They Might Be Giants kids song: Seven

J1: why is the only way to subtract 7's by using up all the cake?
J0: they are really hungry because they are primes. They only have 2 proper factors.
J2: hmm, then what about 6? I guess 6 doesn't like cake?
J1: oh, the other numbers like cake, they just aren't as hungry if they have a lot of factors.
J2: what about 144? 144 must really not need to eat much extra!

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