Grangolduthrex is equal to E100#100#1#3 using Hyper-E notation.[1] The term was coined by Sbiis Saibian. This number belongs to the Greagol regiment.

Approximations in other notations

Notation Approximation
Up-arrow notation \(100 \uparrow\uparrow\uparrow 100 \uparrow\uparrow\uparrow 57 \uparrow\uparrow 101\) (exact)
Chained arrow notation \(100 \rightarrow (100 \rightarrow (57 \rightarrow 101 \rightarrow 2) \rightarrow 3) \rightarrow 3 \) (exact)
Hyperfactorial array notation \(((102!1)!2)!2\)
BEAF \(\{10,\{100,\{57,57,2\},3\},3\}\)
Fast-growing hierarchy \(f_4(f_4(f_3(100)))\)
Hardy hierarchy \(H_{\omega^42+\omega^3}(100)\)
Slow-growing hierarchy \(g_{\zeta_{\zeta_{\varepsilon_0}}}(100)\)


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