a regular 65537-gon is (with t = edge length) A = 65537 4 t 2 cot ⁡ π 65537 {\displaystyle A={\frac {65537}{4}}t^{2}\cot {\frac {\pi }{65537}}} A whole...

Weiche Primzahlen und das 257-Eck : eine analytische Lösung des 257-Ecks. Zürich : C. Schick, 2008. ISBN 978-3-9522917-1-9. 65537-gon, exact construction for...

also the first of five known Fermat primes, which include 5, 17, 257, and 65537. It is the second Fibonacci prime (and the second Lucas prime), the second...