Heptaicosa-petaxis

Heptaicosa-petaxis is equal to \(10\uparrow\uparrow\uparrow\uparrow27\) or 10 hexated to 27. This term was coined by YouTuber NO!NO!, Numbers 10^^^10 to a Geegol Accessed 2021-05-07.
==Approximations==
Notation 	Approximation
Hyper-E notation 	\(E1\#1\#1\#27\)
BEAF 	\(\{10,27,4\}\) (exact)
Bird's array notation 	\(\{10,27,4\}\) (exact)
Chained arrow notation	\(10\rightarrow 27\rightarrow 4\) (exact)
==Sources==
==See also==
Category:Numbers
Category:Up-arrow notation level
Category:Videos