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Pentacthuliterator (also called pentacthulhum ba'al) is equal to E100#^^^#>#100 = E100(...(((#^^^#)^^^#)^^^#)...)^^^#100 (100 ^^^#'s) in Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian. This number belongs to the pentacthulhum regiment.

Approximations in other notations

Notation Approximation
BEAF \(\{X,X^2,1,2\}\ \&\ 100\) (weaker bound)

X^^^(X+1) & 100 (stronger bound)

Bird's array notation (using Hyper Nested Array Notation) {100,99[1[1¬3]1,2]2}
Hyperfactorial array notation \(100![100(1)100]\)
Strong array notation ???
Fast-growing hierarchy (with this system of fundamental sequences) \(f_{\varphi(1,0,99)}(100)\)
\(=f_{\Gamma_{99}}(100)\)
Hardy hierarchy \(H_{\Gamma_{99}}(100)\)

Sources

  1. Saibian, Sbiis. Forging Extended Cascading-E Numbers Part III. Retrieved 2016-12-04.
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