Myriad

A myriad is equal to \(10^4\) = 10,000.Conway and Guy. The Book of Numbers. Copernicus. 1995. ISBN 978-0387979939 p.16Large Numbers by Robert Munafo It was first used by the Ancient Greeks and became a basis of
the Greek myriad system. It also has its own name in eastern Asian naming systems, although in English its name is "ten thousand". In googology, it is used in 's -yllion system.
In Roman numerals, it was written as ↂ or X̅.
It is also called Wan (萬or万 in Chinese) or man (まん in Japanese)大数の名前 in Japanese and Chinese counting systems.
The outdated prefix myria- means multiplying by 10,000.
10,000 can be called "garhundred" using the gar- prefix.
Nirvana Supermind calls this number Grand zeroogol and zero-millenol, and it's equal to Q<10,zeroogol> = Q<10,1000> in quick array notationNumbers from quick array notation (accessed 2021-03-06).
Aarex Tiaokhiao calls this number qoodrol, 4-noogolPart 1 (LAN) - Aarex Googology, or goonaolex, and it's equal to a(10,100,0)x[2] in Aarex's Array Notation.AAN Numbers - P1 - Aarex Googology
Wikia user NumLynx gave the name tetraplex for this number, coined in analogy to the tetralogue. 
Username5243 calls this number niloogolplex, niloogolnilex or gooquol, and it's equal to 10[0]10[0]100 = 10[1]4 in Username5243's Array Notation.Part 1 - My Large Numbers
DeepLineMadom calls the number boogolplex, and is equal to 10[1]10[1]100 in DeepLineMadom's Array NotationDeepLineMadom's googology - Numbers I've coined (Retrieved 4 May 2022). It is not to be confused with the much larger Bowers' boogolplex, which is {10,10,{10,10,100}} in BEAF.
== Currency-related use ==
Some currencies, such as the and the , have banknotes with this number in the denomination.
Some currencies, such as the , have commemorative coins with this number in the denomination.
Some other currencies, such as the first , had coins with this number in the denomination.
It is also the prize for correctly answering the first five questions in the Indian game show in s.
Furthermore, it was also the prize for correctly answering the first question in the Japanese game show in Japanese yen.
== Approximation ==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^4\) 	\(1\times10^4\)
Arrow notation 	\(10\uparrow4\) 	\(10\uparrow4\)
Steinhaus-Moser Notation 	5[3] 	6[3]
Copy notation 	9[4] 	1[5]
Chained arrow notation 	\(10\rightarrow4\) 	\(10\rightarrow4\)
Taro's multivariable Ackermann function	A(3,10) 	A(3,11)
Pound-Star Notation 	#*(70)*2 	#*(71)*2
PlantStar's Debut Notation 	[2] 	[3]
BEAF 	{10,4} 	{10,4}
Hyper-E notation 	E4 	E4
Bashicu matrix system 	(0)[100] 	(0)[100]
Hyperfactorial array notation 	7! 	8!
Bird's array notation 	{10,4} 	{10,4}
Strong array notation 	s(10,4) 	s(10,4)
Fast-growing hierarchy 	\(f_1(f_2(9))\) 	\(f_2(10)\)
Hardy hierarchy 	\(H_{\omega^2+\omega}(9)\)	\(H_{\omega^2}(10)\)
Slow-growing hierarchy 	\(g_{\omega^4}(10)\) 	\(g_{\omega^4}(10)\)
== Sources ==
== See also ==
zh:萬
ja:万
Category:Numbers
Category:Banknote denominations
Category:Class 1
Category:Coin denominations
Category:Game show prizes
Category:Numbers with 4 to 6 digits
Category:Powers of 10
Category:Gar-
Category:Googol Regiment
Category:Numbers with peer-reviewed source