The dekacthularxitri (also called dekacthulto-dekacthulhum) is equal to E100#{9}#3 = E100#{8}#{8}#100 in Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian.

Etymology Edit

The name "dekacthularxitri" is based on the number dekacthulhum, "arx-" meaning "citadel" in Latin, and "tri" meaning three.

Approximations in other notations Edit

Notation Approximation
BEAF \(\{X,X,\{X,X,1,7\},7\}\ \&\ 100\) (lower bound)

\(\{X,X,\{X,X,8\},8\}\ \&\ 100\) (upper bound)

Bird's array notation \(\{100,100 [1 [1\neg3] 1 [1\neg3] 1 [1\neg3] 1 [1\neg3] 1 [1\neg3] 1 [1\neg3] \\ 1 [1 [1\neg3] 1 [1\neg3] 1 [1\neg3] 1 [1\neg3] 1 [1\neg3] 1 [1\neg3] 2 \neg2] 2] 2\}\)
Fast-growing hierarchy \(f_{\varphi(6,\varphi(6,0,0),0)}(100)\)
Hardy hierarchy \(H_{\varphi(6,\varphi(6,0,0),0)}(100)\)

Sources Edit

  1. Saibian, Sbiis. 4.3.11 - Extended Cascading-E Numbers Part V. Retrieved 2017-02-26.

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