Billilogue

Billilogue is a base googolism of the second order Hyper-L notation invented by Googology Wiki user JTOnstead20. It is defined as \(L((9))\) in the notation.Hyper-L Googolisms - Jonathan's Googology This means the following:
Take the reverse Log function of 9 to get a billion. Then use the double parenthesis to build a power tower starting with \(10^{\text{bill}^{\text{bill}^{...}}}\) and going a billion units high. This is roughly equivalent to \(\text{billion}\uparrow\uparrow\text{billion}\) in arrow notation.
== Approximations ==
Notation 	Approximation
Up-arrow notation 	\(10^{9}\uparrow\uparrow10^{9}\)
Chained arrow notation 	\((10^{9})\rightarrow(10^{9})\rightarrow 2\)
Notation Array Notation	\((10^{9}\{2,2\}10^{9})\)
== Sources ==
Category:Tetration level
Category:Numbers
Category:Numbers by JTOnstead20