Bi-astragol

In Pound-Star Notation, Bi-astragol is equal to #*(10,10)*(10,10)*100. The name was coined by SuperJedi224. This number is approximately 1010308.
==Approximations==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(959\uparrow966\uparrow103\) 	\(720\uparrow703\uparrow108\)
Down-arrow notation 	\(24\downarrow\downarrow224\) 	\(966\downarrow\downarrow104\)
Steinhaus-Moser Notation 	141[3][3] 	142[3][3]
Copy notation 	7[7[308]] 	8[8[308]]
H* function 	H(28H(101)) 	H(29H(101))
Taro's multivariable Ackermann function	A(3,A(3,1021)) 	A(3,A(3,1022))
BEAF 	{959,{966,103}} 	{720,{703,108}}
Hyper-E notation 	E[24]223#2 	E[966]103#2
Bashicu matrix system 	(0)(1)[31] 	(0)(1)[32]
Hyperfactorial array notation 	(169!)! 	(170!)!
Fast-growing hierarchy 	\(f_2(f_2(1014))\) 	\(f_2(f_2(1015))\)
Hardy hierarchy 	\(H_{\omega^22}(1014)\) 	\(H_{\omega^22}(1015)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega^23+7}8}}(10)\)	\(g_{\omega^{\omega^{\omega^23+7}9}}(10)\)
==Source==
Category:Numbers
Category:Achilles numbers
Category:Class 3
Category:Even numbers
Category:Upper class 3
Category:Pound-Star notation numbers