Hepta-doicosaxis

Hepta-doicosaxis is equal to \(10\{21\}7\). This term was coined by SURUX EDRIPT.SURUX EDRIPT's greek based hyper-tower numbers Accessed 2022-12-01.
==Approximations==
Notation 	Approximation
Hyper-E notation	\(E1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#1\#7\)
BEAF 	\(\{10,7,21\}\) (exact)
==Sources==
Category:Numbers
Category:Up-arrow notation level
Category:Numbers by SURUX EDRIPT