The ultatri is equal to {3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3} (twenty-seven 3's) = {3,27 (1) 2} in BEAF,[1] or 27 & 3 using the array of operator. The term was coined by Jonathan Bowers.

Ultatri is approximately equal to \(f_{\omega^{25}}(3)\) in the fast-growing hierarchy.

Sources Edit

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See also Edit

Tritri series:

Tetratri series:

Pentatri series:

Hexatri series:

Heptatri series:

Octatri series:

Nonatri series:

Decatri series:

Ultatri series:

Hectatri series:

Chiliatri series:

Myriatri series:

Dupertri series:

Trupertri series:

Quadrupertri series:

Quintupertri series:

Sextupertri series:

Septupertri series:

Octupertri series:

Nonupertri series:

Decupertri series:

Latri series:

Dutritri series:

Dutetratri series:

Dupentatri series:

Duhexatri series:

Duheptatri series:

Duoctatri series:

Dunonatri series:

Dudecatri series:

Dimentri series:

Triakulus series:

Big boowa series:

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