Quindecisescentillion

A quindecisescentillion is equal to \(10^{1848}\) in the short scale and \(10^{3690}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 615th -illion number.
In the long scale, \(10^{1848}\) is called octotrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1848}\) (exact) 	\(1\times10^{1848}\) (exact)
Arrow notation 	\(10\uparrow 1848\) (exact) 	\(10\uparrow 1848\) (exact)
Steinhaus-Moser Notation 	656[3] 	657[3]
Chained arrow notation 	\(10\rightarrow 1848\) (exact) 	\(10\rightarrow 1848\) (exact)
Taro's multivariable Ackermann function	A(3,6135) 	A(3,6136)
BEAF & Bird's array notation 	{10,1848} (exact) 	{10,1848} (exact)
Hyper-E notation 	E1848 (exact) 	E1848 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(9)\) 	\(s(1)^3(\lambda x.x+1)(10)\)
m(n) map 	m(1)(656) 	m(1)(657)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6126)\) 	\(f_2(6127)\)
Hardy hierarchy 	\(H_{\omega^2}(6126)\) 	\(H_{\omega^2}(6127)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 8+\omega 4+8}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 8+\omega 4+8}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3690}\) (exact) 	\(1\times10^{3690}\) (exact)
Arrow notation 	\(10\uparrow 3690\) (exact) 	\(10\uparrow 3690\) (exact)
Steinhaus-Moser Notation 	1198[3] 	1199[3]
Chained arrow notation 	\(10\rightarrow 3690\) (exact) 	\(10\rightarrow 3690\) (exact)
Taro's multivariable Ackermann function	A(3,12254) 	A(3,12255)
BEAF & Bird's array notation 	{10,3690} (exact) 	{10,3690} (exact)
Hyper-E notation 	E3690 (exact) 	E3690 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(10)\) 	\(s(1)^3(\lambda x.x+1)(11)\)
m(n) map 	m(1)(1198) 	m(1)(1199)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(12244)\) 	\(f_2(12245)\)
Hardy hierarchy 	\(H_{\omega^2}(12244)\) 	\(H_{\omega^2}(12245)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 6+\omega 9}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 6+\omega 9}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers