Tethra-octodecicutope

Tethra-octodecicutope is equal to E100#^^#^#^#18 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 	\(\{100,100 [1 [19 \neg 2] 2] 2\}\)
Fast-growing hierarchy	\(f_{\varphi(\omega^{18},0)}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Binary phi level
Category:Extended Cascading-E numbers