Goodcolduduex

The Goodcolduduex is equal to \(10\uparrow \uparrow10\uparrow \uparrow10\uparrow10\) using arrow notation. The term was coined by Wikia user 
Username5243.
== Approximations in other notations ==
Notation 	Approximation (or exact value)
Up-arrow notation 	\(10 \uparrow\uparrow 10 \uparrow\uparrow 10 \uparrow\uparrow 2\) (exact)
Fast-growing hierarchy	\(f^3_3(2)\)
== Sources ==
Category: Numbers
Category: Numbers by Username5243
Category: Up-arrow notation level
Category:Googol series
Category:Doogol Regiment