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Not to be confused with googoltriduex.

The googoltridex is equal to E100#1#4 = E100#googoldudex using Hyper-E notation.[1] The term was coined by Sbiis Saibian.

Approximations in other notations[]

Notation Approximation
Up-arrow notation \(57 \uparrow\uparrow 10 \uparrow\uparrow 10 \uparrow\uparrow(10 \uparrow 100) + 1\)
Chained arrow notation \(57 \rightarrow (10 \rightarrow (10 \rightarrow 10^{100} \rightarrow 2) + 1 \rightarrow 2) \rightarrow 2\)
BEAF \(\{10,\{10,\{10,\{10,100\},2\},2\},2\}\)
Hyperfactorial array notation \((((70!)!1)!1)!1\)
Fast-growing hierarchy \(f_3(f_3(f_3(f_2(324))))\)
Hardy hierarchy \(H_{\omega^33+\omega^2}(324)\)
Slow-growing hierarchy \(g_{\varepsilon_{\varepsilon_{\varepsilon_{\omega^\omega}}}}(100)\)

Sources[]