Octal-squeaker

An octal-squeaker is equal to 5*810 = 5*230 = 5,368,709,120. The term was coined by Sbiis Saibian.
== Etymology ==
The 2 parts of the name, "octal" and "squeaker" means base 8 and squeaker, which means 5×n10, which forms 5×810 when concatenated from left to right.
== Approximations ==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(5.36870912\times10^9\) 	\(5.36870912\times10^9\)
Arrow notation 	\(88\uparrow5\) 	\(42\uparrow6\)
Steinhaus-Moser Notation 	9[3] 	10[3]
Copy notation 	4[10] 	5[10]
Taro's multivariable Ackermann function	A(3,29) 	A(3,30)
Pound-Star Notation 	#*(0,4,4)*3 	#*(0,4,4)*3
BEAF 	{88,5} 	{42,6}
Bashicu matrix system 	(0)[73271] 	(0)[73272]
Hyperfactorial array notation 	12! 	13!
Fast-growing hierarchy 	\(f_2(27)\) 	\(f_2(28)\)
Hardy hierarchy 	\(H_{\omega^2}(27)\) 	\(H_{\omega^2}(28)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega+2}\times5}(8)\)	\(g_{\omega^{\omega+2}\times5}(8)\)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Non-powers
Category:Numbers by Sbiis Saibian
Category:Numbers with 7 to 29 digits
Category:Guppy regiment