Googoadol is equal to E100##11 using Hyper-E notation.[1] The term was coined by Sbiis Saibian.

Approximations in other notations

Notation Approximation
Up-arrow notation \(100 \uparrow^{11} 101\)
Chained arrow notation \(100 \rightarrow 101 \rightarrow 11\)
BEAF \(\{100,101,11\}\)
Strong array notation s(100,101,11)
Hyperfactorial array notation \(102!10\)
Fast-growing hierarchy \(f_{12}(100)\)
Hardy hierarchy \(H_{\omega^{12}}(100)\)
Slow-growing hierarchy \(g_{\varphi(10,0)}(100)\)

Sources

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