Anonymous user
Talk:Zumkeller numbers: Difference between revisions
→Cheating odd no 5 zumkeller numbers: odd perfect numbers start at 10^2000
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:I was initially more concerned about my assumption in the isZumkeller() handler logic that odd numbers are always either less than or greater than their aliquot sums, never equal to them. But I've tested up to 9,999,999 this morning and it's held true so far. --[[User:Nig|Nig]] ([[User talk:Nig|talk]]) 11:25, 21 July 2021 (UTC)
::Look for [[Perfect_numbers]] there is a link odd perfect numbers ( > 10^2000 ;-) )
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