Ultrafactor

The Ultrafactor is equal to 100!# = 100!100 in Extensible ! Notation. The term was coined by Yabuszko.Yabuszko, Extensible ! Notation
== Approximations in other notations ==
Notation 	Approximation
Arrow Notation 	\(10\uparrow^{100}158\)
Chained Arrow Notation 	\(10\to158\to100 \)
BEAF 	\(\{10,158,100\}\)
Bird's Array Notation 	\(\{10,158,100\}\)
Extended Hyper-E notation 	\(E158\# \#100\)
Hyperfactorial Array Notation	\(100!99\)
Fast-growing hierarchy 	\(f_{101}(100)\)
Hardy hierarchy 	\(H_{\omega^{101}}(100)\)
Slow-growing hierarchy 	\(g_{\varphi(101,0)}(100)\)
== Sources ==
== See Also ==
Category:Numbers
Category:Numbers by Yabuszko
Category:Factorial numbers
Category:Up-arrow notation level
Category:Orders of symmetric groups