Numbergender
Numbergender is a xenogender identity in which one’s gender is related to numbers or mathematical equations.[1] It can be used as an umbrella term or a standalone label.
History
Numbergender was coined by Tumblr user numberkincutie and posted by Tumblr user mogai-archive on or before July 25, 2014.[2]
The first flag was posted by Tumblr blog mogai-flag-central on January 13, 2019, with the definition "A precise but complex gender that, the more you explore its intricacies, the more bizarre it becomes".[3] Other flags have been proposed through LGBTA Wiki.[4]