Greps is a number equal to |1|0(76) ( or 210(76) ) using Revised Pehan Notation.[1] The term was coined by Licorneuhh.

It is also equal to 7676(76) = 770(76).


Notation Approximation
BEAF \(\{76,76,76,77\}\)
Chained arrow notation \(76\rightarrow_2 77\)
Hyperfactorial array notation 76![1,77]
Fast-growing hierarchy \(f_{\omega77}(76)\)
Hardy hierarchy \(H_{\omega^{\omega77}}(76)\)
Slow-growing hierarchy (using this system of fundamental sequences) \(g_{\varphi(76,75,0)}(77)\)


  1. Greps Group | Licorneuhh's numbers site (retrieved at UTC 18:21 09/01/2021)
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