2 ms·
The origin may be this comic: https://web.archive.org/web/20090125051251/http://cowbirdsinlove.com/43 https://web.archive.org/web/20090125051251/http://cowbirds
by wahern 6y ago
The origin may be this comic: https://web.archive.org/web/20090125051251/http://cowbirdsinlove.com/43 https://web.archive.org/web/20090125051251/http://cowbirdsin...
- p1mrx 6y agoThe origin was probably thousands of years ago; it's a basic property of positional number systems.
- rizpanjwani 6y agonice detail on the alien having 4 digits.