Quintyllion

Quintyllion is equal to 10128 in the myriad system, or 10 squared 7 times. It is equal to 100 unquadragintillion in the short scale and 100 unvigintillion in the long scale.
==Decimal expansion==
==Approximations==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{128}\) 	\(1\times10^{128}\)
Arrow notation 	\(10\uparrow128\) 	\(10\uparrow128\)
Steinhaus-Moser Notation 	69[3] 	70[3]
Copy notation 	9[128] 	1[129]
Taro's multivariable Ackermann function	A(3,421) 	A(3,422)
BEAF 	{10,128} 	{10,128}
Hyper-E notation 	E128 	E128
Hyperfactorial array notation 	84! 	85!
Fast-growing hierarchy 	\(f_2(416)\) 	\(f_2(417)\)
Hardy hierarchy 	\(H_{\omega^2}(416)\) 	\(H_{\omega^2}(417)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^2+\omega2+6}}(10)\)	\(g_{\omega^{\omega^2+\omega2+6}}(10)\)
==Sources==
#Myriad system on Wikipedia
#Large numbers by Robert Munafo
==See Also==
*Quintillion
*Quadryllion
Category:Numbers
Category:Class 2
Category:-yllion
Category:Numbers with 101 to 999 digits