Exto-octaelgathor is equal to E100#^(#^#^8*#)6 using Cascading-E Notation.[1] The term was coined by Sbiis Saibian.

Approximations

Notation Approximation
Fast-growing hierarchy \(f_{\omega^{\omega^{\omega^8+1} } }(6)\)
Hardy hierarchy \(H_{\omega^{\omega^{\omega^{\omega^8+1} } } }(6)\)

Sources

  1. Saibian, Sbiis. 4.3.5 Cascading-E NumbersOne to Infinity. Retrieved 2016-09-09.
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