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 | \((6\{3,5\}7)\) |