Septice-tethrasecunda

is equal to E100#^^##>#7 using Extended Cascading-E Notation. The term was coined by Sbiis Saibian. This number belongs to the tethracross regiment.
==Approximations==
Notation 	Approximation
Fast-growing hierarchy 	\(f_{\zeta_6}(100)\)
Hardy hierarchy 	\(H_{\zeta_6}(101)\)
Slow-growing hierarchy (Using this system of fundamental sequences)	\(g_{\psi_0(\Omega_2^27)}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Binary phi level