Gargantuuldagong is equal to E100,000##100,000##9 using Extended Hyper-E Notation.[1] The term was coined by Sbiis Saibian.

Approximations in other notations

Notation Approximation
Chained arrow notation \(100 \rightarrow 100 \rightarrow 100001 \rightarrow 9\)
BEAF \(\{100,100001,8,2\}\)
Hyperfactorial array notation \(100000![9]\)
Fast-growing hierarchy \(f_{\omega+8}(100000)\)
Hardy hierarchy \(H_{\omega^{\omega+8}}(100000)\)
Slow-growing hierarchy \(g_{\varphi(1,7,0)}(100000)\)


  1. Saibian, Sbiis. Extended Hyper-E NumbersOne to Infinity. Retrieved 2016-08-14.
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