Tethrarxi-ogdone

Tethrarxi-ogdone is equal to E100#^^^#80 in Extended Cascading-E Notation. The term was coined by Sbiis Saibian. This number belongs to the tethratope regiment.
==Approximations==
Notation 	Approximation
Bird's array notation 	{100,80[1[1¬3]2]2}
Fast-growing hierarchy	\(f_{\varphi(1,0,0)}(80)\) \(= f_{\Gamma_0}(80)\)
==Sources==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Binary phi level
Category:Tethratope series