In X-Sequence Hyper-Exponential Notation, Hyperathoth Terribulon is equal to 100{X>X}100.[1]. The name was coined by SuperJedi224. It is comparable to Saibian's Tethrathoth ba'al.


  1. [1]


Notation Approximation
Hyper-E notation \(E100\#\text{^^}\# >\# 100\)
Fast-growing hierarchy \(f_{\varepsilon_{99} }(100)\)
Hardy hierarchy \(H_{\varepsilon_{99} }(100)\)

See AlsoEdit

Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

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