Heptaicosalogue

Heptaicosalogue is equal to \(10\uparrow\uparrow27\) or 10 tetrated to 27. This term was coined by YouTuber NO!NO!, Numbers Multillion to Giggol (10^^100) - Part 9 Accessed 2021-05-01.
==Approximations==
Notation 	Approximation
Hyper-E notation 	\(E1\#1\#27\)
BEAF 	\(\{10,27,2\}\) (exact)
Bird's array notation 	\(\{10,27,2\}\) (exact)
Chained arrow notation	\(10\rightarrow 27\rightarrow 2\) (exact)
==Sources==
==See also==
Category:Numbers
Category:Up-arrow notation level
Category:Videos