Most of this highfalutin' math talk is so we can avoid doing basic arithmetic and make mistakes people might notice.
@GrumplessGrinch @byrneseyeview Right, and it's also valid for any power of 3 as long as you don't overshoot.
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@GrumplessGrinch@byrneseyeview wait shoot that might not be true. it's true for 9 though. yeah ignore me, just 9. -
@St_Rev@byrneseyeview yeah, 54 doesn't sum to 27 :/ -
@GrumplessGrinch@byrneseyeview Saying it the other way around. But 3333333321 sums to 27 but isn't divisible by it. See I am dumb
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@St_Rev@byrneseyeview Dad taught me it when I was wee, was really into mental arithmetic for a while. -
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@byrneseyeview@St_Rev When I was a kid and couldn't sleep I'd do this and memorize the results. Still know perfect squares up to 25 or so.
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.