The pentastaculated-tethrathoth is equal to E100#^^##5 using Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian.

Approximations in other notations Edit

Notation Approximation
BEAF X^^^6 & 100
Bird's array notation {100,5[1\1\2]2}
Fast-growing hierarchy \(f_{\zeta_0[5]}(100)\)
Hardy hierarchy \(H_{\zeta_0[5]}(101)\)
Slow-growing hierarchy ???

Sources Edit

  1. Saibian, Sbiis. 4.3.7 Extended Cascading-E Numbers Part IOne to Infinity. Retrieved 2017-03-04.

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