Sedeciducentillion

A sedeciducentillion is equal to \(10^{651}\) in the short scale and \(10^{1296}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 216th -illion number.
In the long scale, \(10^{651}\) is called octocentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{651}\) (exact) 	\(1\times10^{651}\) (exact)
Arrow notation 	\(10\uparrow 651\) (exact) 	\(10\uparrow 651\) (exact)
Steinhaus-Moser Notation 	268[3] 	269[3]
Chained arrow notation 	\(10\rightarrow 651\) (exact) 	\(10\rightarrow 651\) (exact)
Taro's multivariable Ackermann function	A(3,2159) 	A(3,2160)
BEAF & Bird's array notation 	{10,651} (exact) 	{10,651} (exact)
Hyper-E notation 	E651 (exact) 	E651 (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)(268) 	m(1)(269)
Bashicu matrix system 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[18] 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[19]
Fast-growing hierarchy 	\(f_2(2151)\) 	\(f_2(2152)\)
Hardy hierarchy 	\(H_{\omega^2}(2151)\) 	\(H_{\omega^2}(2152)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^2 6+\omega 5+1}}(10)\) (exact)	\(g_{\omega^{\omega^2 6+\omega 5+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1296}\) (exact) 	\(1\times10^{1296}\) (exact)
Arrow notation 	\(10\uparrow 1296\) (exact) 	\(10\uparrow 1296\) (exact)
Steinhaus-Moser Notation 	482[3] 	483[3]
Chained arrow notation 	\(10\rightarrow 1296\) (exact) 	\(10\rightarrow 1296\) (exact)
Taro's multivariable Ackermann function	A(3,4302) 	A(3,4303)
BEAF & Bird's array notation 	{10,1296} (exact) 	{10,1296} (exact)
Hyper-E notation 	E1296 (exact) 	E1296 (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)(482) 	m(1)(483)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(4293)\) 	\(f_2(4294)\)
Hardy hierarchy 	\(H_{\omega^2}(4293)\) 	\(H_{\omega^2}(4294)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 2+\omega 9+6}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 2+\omega 9+6}}(10)\) (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