Octal-guppychunk

An octal-guppychunk is equal to 819 = 257 = 144,115,188,075,855,872. The term was coined by Sbiis Saibian.
==Etymology==
The name of this number is based on the prefix octal- and the number guppychunk.
==Approximations==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1.441\times10^{17}\) 	\(1.442\times10^{17}\)
Arrow notation 	\(8\uparrow19\) 	\(8\uparrow19\)
Steinhaus-Moser Notation 	14[3] 	15[3]
Copy notation 	1[18] 	2[18]
Taro's multivariable Ackermann function	A(3,54) 	A(3,55)
Strong array notation 	s(8,19) 	s(8,19)
Pound-Star Notation 	#*(4,0,3,1)*4 	#*(3,3,2)*6
BEAF 	{8,19} 	{8,19}
Bashicu matrix system 	(0)(0)[19483] 	(0)(0)[19484]
Hyperfactorial array notation 	19! 	20!
Fast-growing hierarchy 	\(f_2(51)\) 	\(f_2(52)\)
Hardy hierarchy 	\(H_{\omega^2}(51)\) 	\(H_{\omega^2}(52)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega2+3}}(8)\)	\(g_{\omega^{\omega2+3}}(8)\)
== Sources ==
== See also ==
Category:Numbers
Category:Animal-based name
Category:Class 2
Category:Numbers by Sbiis Saibian
Category:Numbers with 7 to 29 digits
Category:Powers of 2
Category:Guppy regiment