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Tethrarxi-enenine is equal to E100#^^^#90 in Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian. This number belongs to the tethratope regiment.

Approximations

Notation Approximation
BEAF X↑↑↑90 & 100
Bird's array notation {100,90[1[1¬3]2]2}
Fast-growing hierarchy \(f_{\varphi(1,0,0)[90]}(100)\) (using this system of fundamental sequences)
\(=f_{\Gamma_0[90]}(100)\)
Hardy hierarchy \(H_{\varphi(1,0,0)[90]}(100)\) (using this system of fundamental sequences)
\(=H_{\Gamma_0[90]}(100)\)

Pronunciation

It is likely pronounced as so:

Sources

  1. Saibian, Sbiis. 4.3.9 - Extended Cascading-E Numbers Part III. Retrieved 2017-01-13.
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