closed as off-topic by Steven Landsburg, Felipe Voloch, Greg Martin, Lucia, Andreas Thom Jun 1 '18 at 5:15
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "This question does not appear to be about research level mathematics within the scope defined in the help center." – Steven Landsburg, Felipe Voloch, Greg Martin, Lucia, Andreas Thom
Following the portuguese nomenclature (I am from Brazil) and translating to english its results:
"$65537$-gon" is the name. Likewise "$257$-gon": writing (let alone saying) something like "diacosipentacontaheptagon" serves less to communicate $-$ if indeed it succeeds in communicating at all $-$ than to show off.