Octogintillion

An octogintillion is equal to 10243 in short scale, or 10480 in the long scale by Conway and Guy's naming systemBig-Ass NumbersConway and Guy. (1995) "The book of Numbers" CopernicusThe Conway-Wechsler System or Jonathan Bowers system. This number has 244 digits.
In the long scale which is commonly used in France and Germany, 10243 is called quadragintilliard.
Category: Tier 1 -illion numbers
==Approximations==
For short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{243}\) 	\(1\times10^{243}\)
Arrow notation 	\(10\uparrow243\) 	\(10\uparrow243\)
Steinhaus-Moser Notation 	117[3] 	118[3]
Copy notation 	9[243] 	10[122]
Taro's multivariable Ackermann function	A(3,804) 	A(3,805)
Pound-Star Notation 	#*((269))*10 	#*((270))*10
BEAF 	{10,243} 	{10,243}
Hyper-E notation 	E243 	E243
Bashicu matrix system 	(0)(0)(0)(0)(0)(0)[6264] 	(0)(0)(0)(0)(0)(0)[6265]
Hyperfactorial array notation 	140! 	141!
Fast-growing hierarchy 	\(f_2(797)\) 	\(f_2(798)\)
Hardy hierarchy 	\(H_{\omega^2}(797)\) 	\(H_{\omega^2}(798)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^22+\omega4+3}}(10)\)	\(g_{\omega^{\omega^22+\omega4+3}}(10)\)
For long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{480}\) 	\(1\times10^{480}\)
Arrow notation 	\(10\uparrow480\) 	\(10\uparrow480\)
Steinhaus-Moser Notation 	207[3] 	208[3]
Copy notation 	9[480] 	1[481]
Taro's multivariable Ackermann function	A(3,1591) 	A(3,1592)
Pound-Star Notation 	#*((7))*14 	#*((8))*14
BEAF 	{10,480} 	{10,480}
Hyper-E notation 	E480 	E480
Bashicu matrix system 	(0)(0)(0)(0)(0)(0)(0)[5623] 	(0)(0)(0)(0)(0)(0)(0)[5624]
Hyperfactorial array notation 	244! 	245!
Fast-growing hierarchy 	\(f_2(1583)\) 	\(f_2(1584)\)
Hardy hierarchy 	\(H_{\omega^2}(1583)\) 	\(H_{\omega^2}(1584)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^24+\omega8}}(10)\)	\(g_{\omega^{\omega^24+\omega8}}(10)\)
==List of prefixed numbers derived from octogintillion==
Name 	Short scale	Long scale
unoctogintillion 	10246 	10486
duooctogintillion 	10249 	10492
tresoctogintillion 	10252 	10498
quattuoroctogintillion	10255 	10504
quinoctogintillion 	10258 	10510
sexoctogintillion 	10261 	10516
septemoctogintillion 	10264 	10522
octooctogintillion 	10267 	10528
novemoctogintillion 	10270 	10534
== Sources ==
== See also ==
Category:Numbers
Category:Illion
Category:Class 2
Category:Octogintillion
Category:Numbers with 101 to 999 digits