Septasexahexar is equal to \(Q_{3,0}(6) = Q_{2,6}(6)\) in the Q-supersystem.[1] The term was coined by Boboris02.

Approximations in other notations

Notation Approximation
Fast-growing hierarchy \(f_{\omega 3}(6)\)
Hardy hierarchy \(H_{\omega^{\omega 3}}(6)\)
Slow-growing hierarchy \(g_{\varphi(2,5,0)}(6)\)
Chained arrow notation \(6\rightarrow 6\rightarrow 6\rightarrow 6\rightarrow 7\)
BEAF \(\{6,6,6,3\}\)
Hyperfactorial array notation \(6![1,3]\)
Notation Array Notation \((6\{3,5\}7)\)

See also


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