The Kaprekar Numbers hole will go live in . Why not try and solve it ahead of time?

GeorgeStechman 🇬🇧

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69 / 109 Holes

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2 / 59 Langs

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29 / 76 Cheevos

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Card Number Validation in JavaScript in Bytes Play Hole

31st in JavaScript and 304th overall.

Last tested .

Bytes Chars Submitted
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