bn:17384901n
Noun Concept
Categories: Carl Friedrich Gauss, Polygons by the number of sides, Euclidean plane geometry, Constructible polygons
EN
257-gon  257-gram  257 symmetry  Diacosiapentacontaheptagon  Diacosiapentecontaheptagon
EN
In geometry, a 257-gon is a polygon with 257 sides. Wikipedia
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