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Deutero-tethraduliath is equal to E100(#^^#)^(#^^#)*(#^^#)^(#^^#)100 in Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian. This number belongs to the tethrathoth regiment.

Etymology[]

The name of this number is based on the prefix "deutero-" and the number "tethraduliath".

Approximations in other notations[]

Notation Approximation
BEAF \(\{100,100([1]2)([1]2) 2\}\)
Bird's array notation \(\{100,100 [1 [1 \backslash 2] 2 \backslash 2] 2\}\)
Fast-growing hierarchy \(f_{\varepsilon_0^{\varepsilon_02}}(100)\)
\(f_{\omega^{\omega^{\varepsilon_02}2}}(100)\)
Hardy hierarchy \(H_{\varepsilon_0^{\varepsilon_0^{\varepsilon_02}}}(100)\)

Sources[]

  1. Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part IOne to Infinity. Retrieved 2016-01-30.