Ennacthulhum

Ennacthulhum (also called ogdacthularxihect) is equal to E100#^^^^^^^#100 = E100#{7}#100 in Extended Cascading-E Notation. The term was coined by Sbiis Saibian.
==Etymology==
The name of this number is based on the words "enneation" and "".
== Approximations in other notations ==
Notation 	Approximation
BEAF 	\(\{X,X,1,6\}\ \&\ 100\)
Bird's array notation 	\(\{100,6 [1 [2\neg3] 2] 2\}\)
Hyperfactorial array notation	\(100![1] w(1)/5\)
Fast-growing hierarchy 	\(f_{\varphi(5,0,0)}(99)\)
Hardy hierarchy 	\(H_{\varphi(5,0,0)}(100)\)
Slow-growing hierarchy 	\(g_{\vartheta(\Omega_{2}5)}(100)\)
==Sources==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Bachmann's collapsing level
Category:Hexacthulhum series