Dupentated-pentacthulhum

Dupentated-pentacthulhum (also called pentacthulhutetripso-pentacthulhum) is equal to E100(#^^^#)^^(#^^^#)100 = E100(#^^^#)^^^#2 = E100(#^^^#)^^(#^^#^^#^^...^^#^^#^^#)100 (with 100 #'s in the hyperion tetration) using Extended Cascading-E notation.Sbiis Saibian, Extended Cascading-E Numbers Part III - Large Numbers The term was coined by Sbiis Saibian. This number belongs to the pentacthulhum regiment.
== Approximations ==
Notation 	Approximation
BEAF (intended) 	\(\{X,X,1,2\}\uparrow\uparrow\{X,X,1,2\}\ \&\ 100\) (Non-climbing)
\(\{X,X,3\}\uparrow\uparrow\{X,X,3\}\ \&\ 100\) (Climbing)
Bird's array notation (Hierarchial Hyper-nested Array Notation) 	\(\{100,100[1[1[1 \backslash 2 \lnot 2]2 \lnot 2]2[1 \backslash 2 \lnot 2]2]2\}\)
Fast-growing hierarchy 	\(f_{\varphi(\Gamma_0,1)}(100)\)
Slow-growing hierarchy (Using this system of fundamental sequences)	\(g_{\psi_0(\Omega_2^{\Omega_2}+\Omega_2^{\psi_1(\Omega_2^{\Omega_2})})}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Bachmann's collapsing level
Category:Pentacthulhum series