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The quadprimitol is equal to s(3,2,2,5) in strong array notation.[1] It can be represented in chained arrow notation as \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow2\).


The name of this number is based on the prefix "quadri-" and the number "primitol".


Notation Approximation
Bowers Exploding Array Function \(\{3,3,1,5\}\)
Hyper-E notation \(E2\#\#2\#\#2\#\#1\#2\)
Chained arrow notation \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow2\) (exact)
Hyperfactorial array notation \(2![2,4]\)
Fast-growing hierarchy \(f_{\omega4+1}(2)\)
Hardy hierarchy \(H_{\omega^{\omega4+1}}(2)\)
Slow-growing hierarchy \(g_{\varphi(3,0,0)}(2)\)


See also

Hyp cos' linear strong array notation numbers | exAN numbers
3-entry series
Tribo group: tribo · tetbo · pentbo · hexabo
Trientri group: trientri · tettro · pentro · hextro
Trientet group: triteto · trientet · penteto · hexteto
Trienpent group: tripeno · tetpeno · trienpent · hexpeno
Trienhex group: trihexo · tethexo · penhexo · trienhex