Erlebnisland Mathematik | Technische Sammlungen Dresden | Junghansstraße 1-3 | 01277 Dresden
Erlebnisland Mathematik

Factor Clock

The factor clock shows hours, minutes and seconds, combines them to a six digit number and factors this number into its prime factors. This slightly ludicrous idea of representing the time as a decimal number and factoring it goes back to an internet comic series (xkcd) and was first implemented by Nikolas Coukouma.

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