Arithmogender or Arithmagender is a mathgender in which one feels as though their gender is best described through a certain number or is connected to a number in some way. This could be any number, including decimals, fractions, positive, and negative numbers. It is similar to numbergender.
History
Arithmogender was coined on or before August 23, 2014 by an unknown via MOGAI-Archive.
Flag
The flag was created on September 12, 2015 by Pride-Flags on Deviantart.