In X-Sequence Hyper-Exponential Notation, the Hyperathoth is equal to 100{X↑↑X}100[1]. The name was coined by SuperJedi224.

It is comparable to Saibian's Tethrathoth.


  1. [1]


Notation Approximation
Extended Cascading-E notation \(E100\#\text{^^}\# 100\)
Fast-growing hierarchy \(f_{\varepsilon_0}(100)\)
Hardy hierarchy \(H_{\varepsilon_0}(101)\)

See AlsoEdit

Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

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