Pentacthulto-pentacthulcross

Pentacthulto-pentacthulcross is equal to E100#^^^#^^^##100 using Extended cascading-E notation.Sbiis Saibian, Extended Cascading-E Numbers - Large Numbers The term was coined by Sbiis Saibian.
== Approximations ==
Notation 	Approximation
Bird's array notation 	\(\{100,100 [1 [1 \backslash 2 \neg 2] 1 [1 [1 [1 \backslash 2 \neg 2] 1 \backslash 2] 2 \neg 2] 2] 2\}\)
Fast-growing hierarchy	\(f_{\varphi(1,\varphi(1,1,0),0)}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Bachmann's collapsing level