Hayden's Pentapent is equal to 5(5)(5)(5)5 in Hayden's Array Notation. The term was coined by googology user HaydenTheGoogologist2009.[1]
RedBandServerYT calls this number Hyperpent.[2]
Approximations[]
| Notation | Approximation |
|---|---|
| Bowers' Exploding Array Function | \(\{5,5,5,5,6\}\) (exact) |
| Bird's array notation | \(\{5,5,5,5,6\}\) (exact) |
| Cascading-E notation | E6#^#4 |
| Fast-growing hierarchy | \(f_{\omega^3}(5)\) |
| Hardy hierarchy | \(H_{\omega^{\omega^{3}}}(5)\) |
| Slow-growing hierarchy | \(g_{\varphi(\omega,0,0,0)}(5)\) |
Sources[]
- ↑ Hayden's Big Numbers. Retrieved 2022-04-27.
- ↑ Numbers using Hayden's Array Notation. Retrieved May 1, 2022.