Tri-Fyn is a number equal to 30(76) using Revised Pehan Notation.[1] The term was coined by Licorneuhh.

It is also equal to 276(76) = 27576(76)


Notation Approximation
BEAF \(\{76,76,76,3\}\)
Chained arrow notation \(76\rightarrow 76\rightarrow 76\rightarrow 76\rightarrow 76\)
Hyperfactorial array notation 76![1,3]
Fast-growing hierarchy \(f_{\omega3}(76)\)
Hardy hierarchy \(H_{\omega^{\omega3}}(76)\)
Slow-growing hierarchy (using this system of fundamental sequences) \(g_{\varphi(2,75,0)}(77)\)


  1. Fyn Group | Licorneuhh's numbers site (retrieved at UTC 12:17 09/01/2021)
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