Tethritertet

The tethritertet is equal to E100#^^#>#100#^^#>#100#^^#>#100 = E100#^^#>#*#4 using Extended Cascading-E Notation. The term was coined by Sbiis Saibian.
== Etymology ==
The name of this number comes from the suffix "-tet" and the number tethriterator.
== Approximations in other notations ==
Notation 	Approximation
BEAF 	\(\{100,100(X \uparrow\uparrow (X^2)) 4\}\)
Bird's array notation 	\(\{100,100[1 \backslash 1,2]4\}\)
Fast-growing hierarchy	\(f_{\varepsilon_{\omega}3}(100)\)
Hardy hierarchy 	\(H_{\varepsilon_{\omega}^3}(100)\)
Slow-growing hierarchy	\(g_{\vartheta(\varepsilon_{\Omega^2} 2 + \varepsilon_{\Omega \omega})}(100)\)
== Sources ==
Category:Numbers
Category:Numbers by Sbiis Saibian
Category:Extended Cascading-E numbers
Category:Epsilon level