Enicosa-taxis

Enicosa-taxis is equal to \(10\uparrow\uparrow\uparrow21\) or 10 pentated to 21. This term was coined by YouTuber NO!NO!, Numbers Giggol to Gaggol (10^^100 to 10^^^100) - Part 10 Accessed 2021-05-07.
==Approximations==
Notation 	Approximation
Hyper-E notation 	\(E1\#1\#1\#21\) (exact)
BEAF 	\(\{10,21,3\}\) (exact)
Bird's array notation 	\(\{10,21,3\}\) (exact)
Chained arrow notation 	\(10\rightarrow 21\rightarrow 3\) (exact)
Hyperfactorial array notation	\(23!2\)
Fast-growing hierarchy 	\(f_4(20)\)
Hardy hierarchy 	\(H_{\omega^4}(20)\)
Slow-growing hierarchy 	\(g_{\eta_1}(10)\)
==Sources==
==See also==
Category:Numbers
Category:Up-arrow notation level
Category:Videos