Quindecicentillion

A quindecicentillion is equal to \(10^{348}\) in the short scale and \(10^{690}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 115th -illion number.
In the long scale, \(10^{348}\) is called octoquinquagintillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{348}\) 	\(1\times10^{348}\)
Arrow notation 	\(10\uparrow 348\) 	\(10\uparrow 348\)
Taro's multivariable Ackermann function	A(3,1153) 	A(3,1154)
BEAF 	{10,348} 	{10,348}
Hyper-E notation 	E348 	E348
Fast-growing hierarchy 	\(f_2(1145)\) 	\(f_2(1146)\)
Hardy hierarchy 	\(H_{\omega^2}(1145)\)	\(H_{\omega^2}(1146)\)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{690}\) 	\(1\times10^{690}\)
Arrow notation 	\(10\uparrow 690\) 	\(10\uparrow 690\)
Taro's multivariable Ackermann function	A(3,2289) 	A(3,2290)
BEAF 	{10,690} 	{10,690}
Hyper-E notation 	E690 	E690
Fast-growing hierarchy 	\(f_2(2280)\) 	\(f_2(2281)\)
Hardy hierarchy 	\(H_{\omega^2}(2280)\)	\(H_{\omega^2}(2281)\)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 101 to 999 digits
Category:Tier 1 -illion numbers