Nonagintanongentillion

A nonagintanongentillion is equal to \(10^{2973}\) in the short scale and \(10^{5940}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 990th -illion number.
In the long scale, \(10^{2973}\) is called quinnonagintaquadringentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2973}\) (exact) 	\(1\times10^{2973}\) (exact)
Arrow notation 	\(10\uparrow 2973\) (exact) 	\(10\uparrow 2973\) (exact)
Steinhaus-Moser Notation 	992[3] 	993[3]
Chained arrow notation 	\(10\rightarrow 2973\) (exact) 	\(10\rightarrow 2973\) (exact)
Taro's multivariable Ackermann function	A(3,9873) 	A(3,9874)
BEAF & Bird's array notation 	{10,2973} (exact) 	{10,2973} (exact)
Hyper-E notation 	E2973 (exact) 	E2973 (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)(992) 	m(1)(993)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(9862)\) 	\(f_2(9863)\)
Hardy hierarchy 	\(H_{\omega^2}(9862)\) 	\(H_{\omega^2}(9863)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 9+\omega 7+3}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 9+\omega 7+3}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5940}\) (exact) 	\(1\times10^{5940}\) (exact)
Arrow notation 	\(10\uparrow 5940\) (exact) 	\(10\uparrow 5940\) (exact)
Steinhaus-Moser Notation 	1821[3] 	1822[3]
Chained arrow notation 	\(10\rightarrow 5940\) (exact) 	\(10\rightarrow 5940\) (exact)
Taro's multivariable Ackermann function	A(3,19729) 	A(3,19730)
BEAF & Bird's array notation 	{10,5940} (exact) 	{10,5940} (exact)
Hyper-E notation 	E5940 (exact) 	E5940 (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)(1821) 	m(1)(1822)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(19717)\) 	\(f_2(19718)\)
Hardy hierarchy 	\(H_{\omega^2}(19717)\) 	\(H_{\omega^2}(19718)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2 9+\omega 4}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2 9+\omega 4}}(10)\) (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