Grand tethracubor

The grand tethracubor is equal to E100#^^###100#2 or E100#^^###(tethracubor) using Extended Cascading-E Notation. The term was coined by Sbiis Saibian.
== Etymology ==
The name of this number is based on the prefix "grand" (which adds #2 at the end of the expression) and the number "tethracubor".
== Approximations in other notations ==
Notation 	Approximation
BEAF 	\(X \uparrow\uparrow\uparrow\uparrow \text{tethracubor}\ \&\ 100\) (lower, weaker bound)
X↑↑(tethracubor^3) & 100 (upper, stronger bound)
Bird's array notation 	{100,{100,100[1\1\1\2]2}[1\1\1\2]2}
Hyperfactorial array notation	????
Fast-growing hierarchy 	\(f_{\varphi(3,0)}(f_{\varphi(3,0)}(100))\)
Hardy hierarchy 	\(H_{\varphi(3,0) 2}(100)\)
Slow-growing hierarchy 	????
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Binary phi level
Category:Tethracubor regiment