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Gorgegoltetrex is equal to E100#100#100#(E100#100#100#100#100) = E100#100#100#100#101 using Hyper-E notation.[1] The term was coined by Sbiis Saibian to show how negligible the effect the -tetrex prefix gives to heptational level numbers. This number belongs to the gorgegol regiment.

Approximations in other notations[]

Notation Approximation
Up-arrow notation \(100 \uparrow\uparrow\uparrow\uparrow\uparrow 102\)
Chained arrow notation \(100\rightarrow 102\rightarrow 5\)
Strong array notation \(s(100,102,5)\)
Hyperfactorial array notation \(103!4\)
BEAF \(\{100,102,5\}\)
Fast-growing hierarchy \(f_6(101)\)
Hardy hierarchy \(H_{\omega^6}(101)\)
Slow-growing hierarchy \(g_{\varphi(4,0)}(101)\)

Sources[]

  1. Sbiis Saibian, Hyper-E Numbers - Large Numbers Retrieved 2023-02-07.