Sesquinquagintaquingentillion

A sesquinquagintaquingentillion is equal to \(10^{1671}\) in the short scale and \(10^{3336}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 556th -illion number.
In the long scale, \(10^{1671}\) is called octoseptuagintaducentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1671}\) (exact) 	\(1\times10^{1671}\) (exact)
Arrow notation 	\(10\uparrow 1671\) (exact) 	\(10\uparrow 1671\) (exact)
Steinhaus-Moser Notation 	601[3] 	602[3]
Chained arrow notation 	\(10\rightarrow 1671\) (exact) 	\(10\rightarrow 1671\) (exact)
Taro's multivariable Ackermann function	A(3,5547) 	A(3,5548)
BEAF & Bird's array notation 	{10,1671} (exact) 	{10,1671} (exact)
Hyper-E notation 	E1671 (exact) 	E1671 (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)(601) 	m(1)(602)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(5538)\) 	\(f_2(5539)\)
Hardy hierarchy 	\(H_{\omega^2}(5538)\) 	\(H_{\omega^2}(5539)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 6+\omega 7+1}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 6+\omega 7+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3336}\) (exact) 	\(1\times10^{3336}\) (exact)
Arrow notation 	\(10\uparrow 3336\) (exact) 	\(10\uparrow 3336\) (exact)
Steinhaus-Moser Notation 	1097[3] 	1098[3]
Chained arrow notation 	\(10\rightarrow 3336\) (exact) 	\(10\rightarrow 3336\) (exact)
Taro's multivariable Ackermann function	A(3,11078) 	A(3,11079)
BEAF & Bird's array notation 	{10,3336} (exact) 	{10,3336} (exact)
Hyper-E notation 	E3336 (exact) 	E3336 (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)(1097) 	m(1)(1098)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(11068)\) 	\(f_2(11069)\)
Hardy hierarchy 	\(H_{\omega^2}(11068)\) 	\(H_{\omega^2}(11069)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 3+\omega 3+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 3+\omega 3+6}}(10)\) (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