Guppygong

The guppygong is equal to 1020,000 = E20,000. The term was coined by Sbiis Saibian. It is equal to 1 followed by 20,000 zeros. It is also equal to googovbar using Andre Joyce's googo- prefix. It is 20,001 digits long.
This is its decimal expansion:
==Approximations==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{20000}\) 	\(1\times10^{20000}\)
Arrow notation 	\(10\uparrow20000\) 	\(10\uparrow20000\)
Steinhaus-Moser Notation 	5[3][3] 	6[3][3]
Copy notation 	9[20000] 	1[20001]
Taro's multivariable Ackermann function	A(3,66435) 	A(3,66436)
Pound-Star Notation 	#*((5))*71 	#*((6))*71
BEAF 	{10,20000} 	{10,20000}
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 	\(g_{\omega^{\omega^42}}(10)\)	\(g_{\omega^{\omega^42}}(10)\)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Numbers by Sbiis Saibian
Category:Numbers with 1000 to 1000000 digits
Category:Animal-based name
Category:Guppy regiment