Novenonagintaducentillion

The duocennovemnonagintillion is equal to 10⁹⁰⁰ in America or 10^1,794 in France and Germany.

Aarex Tiaokhiao calls this number tricentillion. He also gave the names noohol and 900-noogol, referring to the short scale value of this number.

Approximations

For short scale:

Notation	Lower bound	Upper bound
Scientific notation	\(1\times10^{900}\)
Arrow notation	\(10\uparrow900\)
Steinhaus-Moser Notation	353[3]	354[3]
Copy notation	9[900]	1[901]
Taro's multivariable Ackermann function	A(3,2986)	A(3,2987)
Pound-Star Notation	#*((53))*18	#*((54))*18
BEAF	{10,900}
Hyper-E notation	E900
Bashicu matrix system	(0)(0)(0)(0)(0)(0)(0)(0)[3278]	(0)(0)(0)(0)(0)(0)(0)(0)[3279]
Hyperfactorial array notation	411!	412!
Fast-growing hierarchy	\(f_2(2\,978)\)	\(f_2(2\,979)\)
Hardy hierarchy	\(H_{\omega^2}(2\,978)\)	\(H_{\omega^2}(2\,979)\)
Slow-growing hierarchy	\(g_{\omega^{\omega^29}}(10)\)

For long scale:

Notation	Lower bound	Upper bound
Scientific notation	\(1\times10^{1\,794}\)
Arrow notation	\(10\uparrow1\,794\)
Steinhaus-Moser Notation	639[3]	640[3]
Copy notation	9[1794]	1[1795]
Taro's multivariable Ackermann function	A(3,5956)	A(3,5957)
Pound-Star Notation	#*((613))*24	#*((614))*24
BEAF	{10,1794}
Hyper-E notation	E1,794
Bashicu matrix system	(0)(1)[3]	(0)(1)[4]
Hyperfactorial array notation	736!	737!
Fast-growing hierarchy	\(f_2(5\,947)\)	\(f_2(5\,948)\)
Hardy hierarchy	\(H_{\omega^2}(5\,947)\)	\(H_{\omega^2}(5\,948)\)
Slow-growing hierarchy	\(g_{\omega^{\omega^3+\omega^27+\omega9+4}}(10)\)