Tethritercross

Tethritercross (formerly tethrasquared-iterator) is equal to E100#^^##>#100 = E100(...((#^^##)^^##)...)^^##100 (with 100 ^^##'s) using Extended Cascading-E notation.Sbiis Saibian, Extended Cascading-E Numbers - Large Numbers The term was coined by Sbiis Saibian. This number belongs to the tethracross regiment.
==Approximations==
Notation 	Approximation
Bird's array notation 	{100,100[1\1\1,2]2}
Fast-growing hierarchy 	\(f_{\zeta_{\omega}}(100)\)
Hardy hierarchy 	\(H_{\zeta_{\omega}}(100)\)
Slow-growing hierarchy (using Buchholz hierarchy)	\(g_{\psi_0(\Omega_2^2 \omega)}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Binary phi level
Category:Tethracross series