Tethraducubor

The tethraducubor (also called hectastaculated-terrisquared-tethracubor) is equal to E100(#^^###)^^###100 using Extended Cascading-E Notation.^[1] The term was coined by Sbiis Saibian.

Approximations in other notations[]

Notation	Approximation
Bird's array notation	${\displaystyle \{100,100[1\backslash1\backslash1\backslash3]2\} }$
Fast-growing hierarchy	$f_{\eta_{1}}(100)$

Sources[]

↑ Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part I. One to Infinity. Retrieved 2017-01-02.

[1] Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part I. One to Infinity. Retrieved 2017-01-02.

[1]