this post was submitted on 04 Jun 2026
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Mildly Interesting

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This is for strictly mildly interesting material. If it's too interesting, it doesn't belong. If it's not interesting, it doesn't belong.

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My $1 bill has no repeating decimals in its serial number (sh.itjust.works)
submitted 2 days ago by Zonefive@sh.itjust.works to c/mildlyinteresting@lemmy.world
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[–] bigbangdangler@reddthat.com 5 points 2 days ago (1 children)

10 x 9 x 8... etc. yields 1,814,400 possible combinations of no repeats, right? I'm confused what the "whole" is if this is expressed as a percent.

[–] kkj@lemmy.dbzer0.com 4 points 2 days ago (1 children)

100 000 000, the number of possible serial numbers.

[–] bigbangdangler@reddthat.com 4 points 2 days ago

Aha, that makes sense. Thanks.