Gigagross

Gigagross is equal to 1449 = 26,623,333,280,885,243,904. The term was coined by User:Instrumentalism.https://sites.google.com/view/gross-group-numbers
== Approximations ==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(2.6623333\times10^{19}\)	\(2.6623334\times10^{19}\)
Arrow notation 	\(12\uparrow18\) 	\(12\uparrow18\)
Chained arrow notation 	\(12\rightarrow18\) 	\(12\rightarrow18\)
Steinhaus-Moser Notation 	16[3] 	17[3]
Copy notation 	2[19] 	3[20]
BEAF 	{12,18} 	{12,18}
Strong array notation 	s(12,18) 	s(12,18)
Hyperfactorial array notation	20! 	21!
Fast-growing hierarchy 	\(f_2(55)\) 	\(f_2(56)\)
Hardy hierarchy 	\(H_{\omega^2}(55)\) 	\(H_{\omega^2}(56)\)
Slow-growing hierarchy 	\(g_{\omega^{18}}(12)\) 	\(g_{\omega^{18}}(12)\)
== Sources ==
Category:Class 2
Category:Numbers
Category:Powers of 12
Category:Numbers with 7 to 29 digits
Category:Numbers by Instrumentalism