Duseptimevalka is a googolism coined by SpongeTechX. It is equal to 2[2,7] using his Copy notation[1].
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Approximations in other notations
| Notation | Approximation |
|---|---|
| Scientific notation | \(10^{10^{10^{10^{10^{22}}}}}\) |
| Up-arrow notation | \(17 \uparrow\uparrow 6\) |
| Chained arrow notation | \(17 \rightarrow 6 \rightarrow 2\) |
| BEAF | \(\{17,6,2\}\) |
| Hyperfactorial array notation | \((((((22!)!)!)!)!\) |
| Fast-growing hierarchy | \(f_2^5(65)\) |
| Hardy hierarchy | \(H_{(\omega^2) 5}(65)\) |
| Slow-growing hierarchy | \(g_{\omega^{\omega^{\omega^{\omega^{\omega^{22}}}}}}(10)\) |