Sesescentillion

A sesescentillion is equal to \(10^{1821}\) in the short scale and \(10^{3636}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 606th -illion number.
In the long scale, \(10^{1821}\) is called trestrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1821}\) (exact) 	\(1\times10^{1821}\) (exact)
Arrow notation 	\(10\uparrow 1821\) (exact) 	\(10\uparrow 1821\) (exact)
Steinhaus-Moser Notation 	647[3] 	648[3]
Chained arrow notation 	\(10\rightarrow 1821\) (exact) 	\(10\rightarrow 1821\) (exact)
Taro's multivariable Ackermann function	A(3,6046) 	A(3,6047)
BEAF & Bird's array notation 	{10,1821} (exact) 	{10,1821} (exact)
Hyper-E notation 	E1821 (exact) 	E1821 (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)(647) 	m(1)(648)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6036)\) 	\(f_2(6037)\)
Hardy hierarchy 	\(H_{\omega^2}(6036)\) 	\(H_{\omega^2}(6037)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 8+\omega 2+1}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 8+\omega 2+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3636}\) (exact) 	\(1\times10^{3636}\) (exact)
Arrow notation 	\(10\uparrow 3636\) (exact) 	\(10\uparrow 3636\) (exact)
Steinhaus-Moser Notation 	1183[3] 	1184[3]
Chained arrow notation 	\(10\rightarrow 3636\) (exact) 	\(10\rightarrow 3636\) (exact)
Taro's multivariable Ackermann function	A(3,12075) 	A(3,12076)
BEAF & Bird's array notation 	{10,3636} (exact) 	{10,3636} (exact)
Hyper-E notation 	E3636 (exact) 	E3636 (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)(1183) 	m(1)(1184)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(12064)\) 	\(f_2(12065)\)
Hardy hierarchy 	\(H_{\omega^2}(12064)\) 	\(H_{\omega^2}(12065)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 6+\omega 3+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 6+\omega 3+6}}(10)\) (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