Binary-Dooqnol

Binary-dooqnol is equal to \(2\uparrow\uparrow5\), or \(2^{2^{2^{2^2}}}\).Part 1 - My Large Numbers It has 19,729 digits. The term was coined by Wikia user Username5243.
== Decimal expansion ==
It is an apocalyptic number; '666' appears 14 times in its decimal expansion.
==Approximations==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(2.003\times10^{19\,728}\) 	\(2.004\times10^{19\,728}\)
Arrow notation 	\(2\uparrow\uparrow5\) 	\(2\uparrow\uparrow5\)
Steinhaus-Moser Notation 	5[3][3] 	6[3][3]
Copy notation 	1[19729] 	2[19729]
Taro's multivariable Ackermann function	A(3,65533) 	A(3,65534)
Pound-Star Notation 	#*((2004))*70 	#*((2005))*70
BEAF 	{2,5,2} 	{2,5,2}
Hyper-E notation 	E[2]1#5≈E1.2#3 	E[2]1#5≈E1.2#3
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Hyperfactorial array notation 	(7!)! 	(8!)!
Fast-growing hierarchy 	\(f_2(f_2(12))\) 	\(f_2(f_2(13))\)
Hardy hierarchy 	\(H_{\omega^22}(12)\) 	\(H_{\omega^22}(13)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^34}}(16)\)	\(g_{\omega^{\omega^34}}(16)\)
== Sources ==
== See also ==
* 65,536
* ³4
* ³5
* ³6
Category:Numbers
Category:Class 2
Category:Numbers by Username5243
Category:Powers of 2
Category:Numbers with 1000 to 1000000 digits
Category:Googol series
Category:Tetration
Category:Doogol Regiment