Nonitrigahlah is equal to E100(#^#^9)100(#^#^9)100 in Cascading-E Notation.[1] The term was coined by Sbiis Saibian.


The name of this number is based on the prefix "noni-" (meaning nine) and the number "gotrigahlah".

Approximations in other notations

Notation Approximation
BEAF \(\{100,100 (9) 3\}\)
Bird's array notation \(\{100,100 [10] 3\}\)
Hyperfactorial array notation \(100![1,[2,1,9],1,2]\)
Fast-growing hierarchy \(f_{(\omega^{\omega^9}) 2}(100)\)
Hardy hierarchy \(H_{\omega^{(\omega^{\omega^9}) 2}}(100)\)
Slow-growing hierarchy \(g_{\vartheta((\Omega^{\Omega^9}) 2)}(100)\)


  1. Saibian, Sbiis. 4.3.5 Cascading-E NumbersOne to Infinity. Retrieved 2015-09-24.

See also

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