Sexoctogintaducentillion

A sexoctogintaducentillion is equal to \(10^{861}\) in the short scale and \(10^{1716}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 286th -illion number.
In the long scale, \(10^{861}\) is called tresquadragintacentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{861}\) (exact) 	\(1\times10^{861}\) (exact)
Arrow notation 	\(10\uparrow 861\) (exact) 	\(10\uparrow 861\) (exact)
Steinhaus-Moser Notation 	340[3] 	341[3]
Chained arrow notation 	\(10\rightarrow 861\) (exact) 	\(10\rightarrow 861\) (exact)
Taro's multivariable Ackermann function	A(3,2857) 	A(3,2858)
BEAF & Bird's array notation 	{10,861} (exact) 	{10,861} (exact)
Hyper-E notation 	E861 (exact) 	E861 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(8)\) 	\(s(1)^3(\lambda x.x+1)(9)\)
m(n) map 	m(1)(340) 	m(1)(341)
Bashicu matrix system 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[48] 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[49]
Fast-growing hierarchy 	\(f_2(2848)\) 	\(f_2(2849)\)
Hardy hierarchy 	\(H_{\omega^2}(2848)\) 	\(H_{\omega^2}(2849)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^2 8+\omega 6+1}}(10)\) (exact)	\(g_{\omega^{\omega^2 8+\omega 6+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1716}\) (exact) 	\(1\times10^{1716}\) (exact)
Arrow notation 	\(10\uparrow 1716\) (exact) 	\(10\uparrow 1716\) (exact)
Steinhaus-Moser Notation 	615[3] 	616[3]
Chained arrow notation 	\(10\rightarrow 1716\) (exact) 	\(10\rightarrow 1716\) (exact)
Taro's multivariable Ackermann function	A(3,5697) 	A(3,5698)
BEAF & Bird's array notation 	{10,1716} (exact) 	{10,1716} (exact)
Hyper-E notation 	E1716 (exact) 	E1716 (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)(615) 	m(1)(616)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(5687)\) 	\(f_2(5688)\)
Hardy hierarchy 	\(H_{\omega^2}(5687)\) 	\(H_{\omega^2}(5688)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 7+\omega+6}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 7+\omega+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 101 to 999 digits
Category:Powers of 10 with squarefree exponent
Category:Tier 1 -illion numbers