Megagross

Megagross is equal to 1446 = 8,916,100,448,256. The term was coined by User:Instrumentalism.https://sites.google.com/view/gross-group-numbers
It is also called Dodekit.Janus Physical Units Archived 2021-09-18.
== Approximations ==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(8.9161\times10^{12}\) 	\(8.91611\times10^{12}\)
Arrow notation 	\(12\uparrow12\) or \(12\uparrow\uparrow2\) 	\(12\uparrow12\) or \(12\uparrow\uparrow2\)
Chained arrow notation 	\(12\rightarrow12\) or \(12\rightarrow2\rightarrow2\)	\(12\rightarrow12\) or \(12\rightarrow2\rightarrow2\)
Steinhaus-Moser Notation 	12[3] 	12[3]
Copy notation 	8[13] 	9[13]
BEAF 	{12,12} or {12,2,2} 	{12,12} or {12,2,2}
Strong array notation 	s(12,12) or s(12,2,2) 	s(12,12) or s(12,2,2)
Hyperfactorial array notation	15! 	16!
Fast-growing hierarchy 	\(f_2(37)\) 	\(f_2(38)\)
Hardy hierarchy 	\(H_{\omega^2}(37)\) 	\(H_{\omega^2}(38)\)
Slow-growing hierarchy 	\(g_{\omega^\omega}(12)\) 	\(g_{\omega^\omega}(12)\)
== Sources ==
Category:Numbers
Category:Class 2
Category:Powers of 12
Category:Numbers by Instrumentalism
Category:Numbers with 7 to 29 digits