Terrible tethrahexon

Terrible tethrahexon is equal to E100(#^^#^6)^^#100 using Extended Cascading-E Notation.Sbiis Saibian, Extended Cascading-E Numbers Part II - Large Numbers The term was coined by Sbiis Saibian. This number belongs to the tethrahexon regiment.
==Approximations==
Notation 	Approximation
Bird's array notation 	{100,100[1\2\1\1\1\1\2]2}
Fast-growing hierarchy	\(f_{\varepsilon_{\varphi(6,0) + 1}}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Binary phi level