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2025-02-18 23:51:07

Dima Pasechnik 🇺🇦 🇳🇱 on Nostr: nprofile1q…r59k6 it's a Fermat prime! a regular 17-gon is one of a few with odd ...

it's a Fermat prime! a regular 17-gon is one of a few with odd number of vertices you can construct with a compass and a ruler. These who cancel 17 are doomed to reinvent these constructions from scratch. 🙂

https://en.m.wikipedia.org/wiki/Heptadecagon
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