The trianto-gridgahlah is equal to E100#^###30 in Cascading-E Notation.[1] The term was coined by Sbiis Saibian.


The name of this number is based on the word "grid" and the number "trianto-godgahlah".

Approximations in other notations

Notation Approximation
BEAF \(\{100,100 \underbrace{(2)(2)\cdots(2)(2)}_{30} 2\}\)
Bird's array notation \(\{100,100 \underbrace{[3][3]\cdots[3][3]}_{30} 2\}\)
Hyperfactorial array notation \(100![1,[1,30,3],1,2]\)
Fast-growing hierarchy \(f_{\omega^{(\omega^2) 29+\omega 99+99}}(100)\)
Hardy hierarchy \(H_{\omega^{\omega^{(\omega^2) 29+\omega 99+99}}}(100)\)
Slow-growing hierarchy \(g_{\theta(\Omega^{(\Omega^2) 29+\Omega 99+99})}(100)\)


  1. Saibian, Sbiis. 4.3.5 Cascading-E NumbersOne to Infinity. Retrieved 2017-01-31.
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