The googonkosoltesla is equal to E100##100##100##100##20 using Extended Hyper-E Notation.[1] The term was coined by Sbiis Saibian.


The name of this number is based on the number "googonkosold" and "gugoltesla".

Approximations in other notations

Notation Approximation
Chained arrow notation \(100 \rightarrow 100 \rightarrow 100 \rightarrow 100 \rightarrow 101 \rightarrow 20\)
BEAF \(\{100,101,19,4\}\)
Fast-growing hierarchy (using CNF's fundamental sequences) \(f_{\omega 3+19}(100)\)
Hardy hierarchy \(H_{\omega^{\omega 3+19}}(100)\)
Slow-growing hierarchy \(g_{\varphi(3,18,0)}(100)\)


  1. Saibian, Sbiis. Extended Hyper-E NumbersOne to Infinity. Retrieved 2016-08-15.
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