Trihex

Trihex is equal to \(\lbrace6,6,6\rbrace\) or \(6\lbrace6\rbrace6\) in BEAF, \(6\uparrow\uparrow\uparrow\uparrow\uparrow\uparrow6\) in arrow notation, or 6 octated to 6.. The term was coined by Aarex Tiaokhiao. This is the sixth Ackermann number.
Googology Wiki user Hyp cos calls this number a trienhex, and it's equal to s(6,6,6), s(6,2,7), s(6,6,1,2), s(6,1,1,3), or s(6,1,1,1,2) in strong array notation.Numbers from linear array notation | Steps Toward Infinity! 
== Etymology ==
The name of this number is based on Greek prefixes tri- (three) and hexa- (six), meaning that there are 3 6's in the array.
==Approximations==
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Aarex Tiaokhiao
Category:Up-arrow notation level
Category:3 entry linear
Category:Greek-based name
Category:BEAF
Category:Powers of 6