Heptahectillion

The heptahectillion is equal to \(10^{3\times 10^{2,100}+3}\).Sbiis Saibian's large numbers site The term was coined by Sbiis Saibian.
==Approximations==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(1000\uparrow(1+10\uparrow2100)\) 	\(1000\uparrow(1+10\uparrow2100)\)
Down-arrow notation 	\(1000\downarrow\downarrow701\) 	\(59\downarrow\downarrow1187\)
Steinhaus-Moser Notation 	732[3][3] 	733[3][3]
Copy notation 	2[2[2101]] 	3[3[2101]]
H* function 	H(H(699)) 	H(H(699))
Taro's multivariable Ackermann function	A(3,A(3,6976)) 	A(3,A(3,6977))
Pound-Star Notation 	#*((1))*((323))*19 	#*((1))*((324))*19
BEAF 	{1000,1+{10,2100}} 	{1000,1+{10,2100}}
Hyper-E notation 	E(3+3E2100) 	E(3+3E2100)
Bashicu matrix system 	(0)(1)[83] 	(0)(1)[84]
Hyperfactorial array notation 	(841!)! 	(842!)!
Fast-growing hierarchy 	\(f_2(f_2(6966))\) 	\(f_2(f_2(6967))\)
Hardy hierarchy 	\(H_{\omega^22}(6966)\) 	\(H_{\omega^22}(6967)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega^32+\omega^2}3+3}}(10)\)	\(g_{\omega^{\omega^{\omega^32+\omega^2}3+3}}(10)\)
==Sources==
Category: Tier 2 -illion numbers
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Class 3
Category:Illion
Category:Upper class 3