Heptaelgathorsexagintice is equal to E100(#^#^#^8)60 using Cascading-E Notation.[1] The term was coined by Sbiis Saibian.

Notation Approximation
BEAF \(\{100,60(0,0,0,0,0,0,0,0,1)2\}\)
Bird's array notation \(\{100,60[1,1,1,1,1,1,1,1,2]2\}\)
Fast-growing hierarchy \(f_{\omega^{\omega^{\omega^8}}}(60)\)
Hardy hierarchy \(H_{\omega^{\omega^{\omega^{\omega^8}}}}(60)\)
Slow-growing hierarchy \(g_{\psi(\Omega^{\Omega^{\Omega^8}})}(60)\)

Sources

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