Thrigantrigol is equal to E100###100###100##4 in Extended Hyper-E Notation.[1] The term was coined by Sbiis Saibian.


The name of this number is based on the infix "-tri-" and the number "thrigangol".

Approximations in other notations

Notation Approximation
Chained arrow notation \(100 \rightarrow_3 101 \rightarrow_3 4\)
BEAF \(\{100,101,3,1,3\}\)
Hyperfactorial array notation \(100![4,2,2]\)
Fast-growing hierarchy \(f_{(\omega^2) 2+3}(100)\)
Hardy hierarchy \(H_{\omega^{(\omega^2) 2+3}}(100)\)
Slow-growing hierarchy (with this system of fundamental sequences) \(g_{\varphi(2,0,2,0)}(100)\)


  1. Saibian, Sbiis. Extended Hyper-E Numbers. Retrieved 2017-01-30.
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