Sesvigintiseptingentillion

A sesvigintiseptingentillion is equal to \(10^{2181}\) in the short scale and \(10^{4356}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 726th -illion number.
In the long scale, \(10^{2181}\) is called tresexagintatrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2181}\) (exact) 	\(1\times10^{2181}\) (exact)
Arrow notation 	\(10\uparrow 2181\) (exact) 	\(10\uparrow 2181\) (exact)
Steinhaus-Moser Notation 	757[3] 	758[3]
Chained arrow notation 	\(10\rightarrow 2181\) (exact) 	\(10\rightarrow 2181\) (exact)
Taro's multivariable Ackermann function	A(3,7242) 	A(3,7243)
BEAF & Bird's array notation 	{10,2181} (exact) 	{10,2181} (exact)
Hyper-E notation 	E2181 (exact) 	E2181 (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)(757) 	m(1)(758)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7232)\) 	\(f_2(7233)\)
Hardy hierarchy 	\(H_{\omega^2}(7232)\) 	\(H_{\omega^2}(7233)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 8+1}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 8+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4356}\) (exact) 	\(1\times10^{4356}\) (exact)
Arrow notation 	\(10\uparrow 4356\) (exact) 	\(10\uparrow 4356\) (exact)
Steinhaus-Moser Notation 	1386[3] 	1387[3]
Chained arrow notation 	\(10\rightarrow 4356\) (exact) 	\(10\rightarrow 4356\) (exact)
Taro's multivariable Ackermann function	A(3,14467) 	A(3,14468)
BEAF & Bird's array notation 	{10,4356} (exact) 	{10,4356} (exact)
Hyper-E notation 	E4356 (exact) 	E4356 (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)(1386) 	m(1)(1387)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(14456)\) 	\(f_2(14457)\)
Hardy hierarchy 	\(H_{\omega^2}(14456)\) 	\(H_{\omega^2}(14457)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 5+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 5+6}}(10)\) (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