Septenonagintanongentillion

A septenonagintanongentillion is equal to \(10^{2994}\) in the short scale and \(10^{5982}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 997th -illion number.
In the long scale, \(10^{2994}\) is called novenonagintaquadringentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2994}\) (exact) 	\(1\times10^{2994}\) (exact)
Arrow notation 	\(10\uparrow 2994\) (exact) 	\(10\uparrow 2994\) (exact)
Steinhaus-Moser Notation 	998[3] 	999[3]
Chained arrow notation 	\(10\rightarrow 2994\) (exact) 	\(10\rightarrow 2994\) (exact)
Taro's multivariable Ackermann function	A(3,9942) 	A(3,9943)
BEAF & Bird's array notation 	{10,2994} (exact) 	{10,2994} (exact)
Hyper-E notation 	E2994 (exact) 	E2994 (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)(998) 	m(1)(999)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(9932)\) 	\(f_2(9933)\)
Hardy hierarchy 	\(H_{\omega^2}(9932)\) 	\(H_{\omega^2}(9933)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 9+\omega 9+4}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 9+\omega 9+4}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5982}\) (exact) 	\(1\times10^{5982}\) (exact)
Arrow notation 	\(10\uparrow 5982\) (exact) 	\(10\uparrow 5982\) (exact)
Steinhaus-Moser Notation 	1833[3] 	1834[3]
Chained arrow notation 	\(10\rightarrow 5982\) (exact) 	\(10\rightarrow 5982\) (exact)
Taro's multivariable Ackermann function	A(3,19868) 	A(3,19869)
BEAF & Bird's array notation 	{10,5982} (exact) 	{10,5982} (exact)
Hyper-E notation 	E5982 (exact) 	E5982 (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)(1833) 	m(1)(1834)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(19857)\) 	\(f_2(19858)\)
Hardy hierarchy 	\(H_{\omega^2}(19857)\) 	\(H_{\omega^2}(19858)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2 9+\omega 8+2}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2 9+\omega 8+2}}(10)\) (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