Tetra-eptaxis

The tetra-eptaxis (formerly tetra-eptaksys) is equal to E1#1#1#1#1#4 in Hyper-E notation. The term was coined by Sbiis Saibian. In up-arrow notation, this number is equal to \(10\uparrow^6 4\).
== Approximations in other notations ==
Notation 	Approximation
Up-arrow notation 	\(10 \uparrow^6 4\) (exact value)
Chained arrow notation 	\(10 \rightarrow 4 \rightarrow 6\) (exact value)
BEAF 	\(\{10,4,6\}\) (exact value)
Hyperfactorial array notation	\(6!5\)
Fast-growing hierarchy 	\(f_7(4)\)
Hardy hierarchy 	\(H_{(\omega^7) 4}(10)\)
Slow-growing hierarchy 	\(g_{\varphi(5,0)}(4)\)
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Hyper-E numbers
Category:Up-arrow notation level
Category:3 entry linear
Category:Greek-based name