Vigesimal-gogol

A vigesimal-gogol is equal to 2050 ≒ 1.125900×1065 or approximately 112.6 vigintillion in short scale. The term was coined by Sbiis Saibian.
It is the largest power of 20 with an accepted English name (namely, one hundred twelve vigintillion five hundred eighty-nine novemdecillion nine hundred ninety octodecillion six hundred eighty-four septendecillion two hundred sixty-two sexdecillion four hundred quindecillion).
== Decimal expansion ==
== Approximations ==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1.125\times10^{65}\) 	\(1.126\times10^{65}\)
Arrow notation 	\(20\uparrow50\) 	\(20\uparrow50\)
Steinhaus-Moser Notation 	40[3] 	41[3]
Copy notation 	1[66] 	2[66]
Taro's multivariable Ackermann function	A(3,213) 	A(3,214)
Pound-Star Notation 	#*(0,2,4,0,6,3)*7 	#*(1,2,4,0,6,3)*7
BEAF 	{20,50} 	{20,50}
Bashicu matrix system 	(0)(0)(0)(0)[11633] 	(0)(0)(0)(0)[11634]
Hyperfactorial array notation 	50! 	51!
Fast-growing hierarchy 	\(f_2(208)\) 	\(f_2(209)\)
Hardy hierarchy 	\(H_{\omega^2}(208)\) 	\(H_{\omega^2}(209)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega2+10}}(20)\)	\(g_{\omega^{\omega2+10}}(20)\)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Numbers by Sbiis Saibian
Category:Numbers with 30 to 100 digits
Category:Powers of 20
Category:Guppy regiment