A 100 sided polygon is called a hectogon.
A 8 sided polygon is called a octagon.
A 19 sided polygon is called an enneakaidecagon.
The name of a 172 sided polygon is ChiliHeptacontakaidigon.
The name of a 1024 sided polygon is Chiliaicositetragon
A ten-sided polygon is called a decagon.
The name of a 11 sided polygon is Hendecagon.
A seven-sided polygon is called a heptagon.
A 51-sided polygon is called a pentacontahenagon.
The name of a 97 sided polygon is enneaheptagon.
The name of a 16 sided polygon is Hexadecagon.
The name of a 72 sided polygon is Heptacontrigon.