Sesquinquagintaoctingentillion

A sesquinquagintaoctingentillion is equal to \(10^{2571}\) in the short scale and \(10^{5136}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 856th -illion number.
In the long scale, \(10^{2571}\) is called octovigintiquadringentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2571}\) (exact) 	\(1\times10^{2571}\) (exact)
Arrow notation 	\(10\uparrow 2571\) (exact) 	\(10\uparrow 2571\) (exact)
Steinhaus-Moser Notation 	874[3] 	875[3]
Chained arrow notation 	\(10\rightarrow 2571\) (exact) 	\(10\rightarrow 2571\) (exact)
Taro's multivariable Ackermann function	A(3,8537) 	A(3,8538)
BEAF & Bird's array notation 	{10,2571} (exact) 	{10,2571} (exact)
Hyper-E notation 	E2571 (exact) 	E2571 (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)(874) 	m(1)(875)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(8527)\) 	\(f_2(8528)\)
Hardy hierarchy 	\(H_{\omega^2}(8527)\) 	\(H_{\omega^2}(8528)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 5+\omega 7+1}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 5+\omega 7+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5136}\) (exact) 	\(1\times10^{5136}\) (exact)
Arrow notation 	\(10\uparrow 5136\) (exact) 	\(10\uparrow 5136\) (exact)
Steinhaus-Moser Notation 	1602[3] 	1603[3]
Chained arrow notation 	\(10\rightarrow 5136\) (exact) 	\(10\rightarrow 5136\) (exact)
Taro's multivariable Ackermann function	A(3,17058) 	A(3,17059)
BEAF & Bird's array notation 	{10,5136} (exact) 	{10,5136} (exact)
Hyper-E notation 	E5136 (exact) 	E5136 (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)(1602) 	m(1)(1603)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(17047)\) 	\(f_2(17048)\)
Hardy hierarchy 	\(H_{\omega^2}(17047)\) 	\(H_{\omega^2}(17048)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2+\omega 3+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2+\omega 3+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Powers of 10 with squarefree exponent
Category:Tier 1 -illion numbers