Ogdo-tethrafact

Ogdo-tethrafact is equal to E100(#^^#)^##8 in Extended Cascading-E Notation. The term was coined by Sbiis Saibian. This number belongs to the tethrathoth regiment.
==Etymology==
The name of this number is based on the greek number "octo" and the number "tethrafact".
==Approximations in other notations==
Notation 	Approximation
BEAF 	\(\{100,8(X \uparrow\uparrow X*X^2) 2\}\)
Fast-growing hierarchy	\(f_{\varepsilon_0^{\omega8}}(100)\)
\(f_{\omega^{\omega^{\varepsilon_0+1}7}}(100)\)
Hardy hierarchy 	\(H_{\varepsilon_0^{\varepsilon_0^{\omega8}}}(100)\)
==Sources==
Category:Tethrathoth series
Category:Cascading-E numbers
Category:Numbers by Sbiis Saibian