Hexacthulhu-centurion

Hexacthulhu-centurion is equal to E100#{#^^^^#}#100 in Hyper-Extended Cascading-E Notation. The term was coined by Sbiis Saibian.
== Approximations in other notations ==
Notation 	Approximation
Bird's array notation 	\(\{100,99 [1 [1 [1 \neg 3] 1 [1 \neg 3] 2 \neg 3] 2] 2\}\)
Fast-growing hierarchy	\(f_{\varphi(\varphi(2,0,0),0,0)}(99)\)
Hardy hierarchy 	\(H_{\varphi(\varphi(2,0,0),0,0)}(100)\)
Slow-growing hierarchy (using this system
of fundamental sequences)	\(g_{\psi_0(\Omega_2^{\Omega_2\psi_1(\Omega_2^{\Omega_{2}2})})}(100)\)
==Sources==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Hyper-Extended Cascading-E numbers
Category:Bachmann's collapsing level