Dekakilillion is equal to \(10^{30,000}\).[1] It is 30,001 digits long.
In long scale, 1030,000 is called quinmillillion.
Names in -illion systems[]
According to Landon Curt Noll's The English name of a number, twitchillion is also known as:
one novemmillianongennovemnonagintillion
Approximations[]
| Notation | Lower bound | Upper bound |
|---|---|---|
| Scientific notation | \(1\times10^{30000}\) | |
| Arrow notation | \(10\uparrow30000\) | |
| Steinhaus-Moser Notation | 5[3][3] | 6[3][3] |
| Copy notation | 2[2[5]] | 3[3[5]] |
| Chained arrow notation | \(10\rightarrow30000\) | |
| Taro's multivariable Ackermann function | A(3,99654) | A(3,99655) |
| BEAF & Bird's array notation | {10,30000} | |
| Hyper-E notation | E30000 | |
| Bashicu matrix system | (0)(1)[3] | (0)(1)[4] |
| H* function | H(9999) | |
| Hyperfactorial array notation | (7!)! | (8!)! |
| Fast-growing hierarchy | \(f_2(f_2(12))\) | \(f_2(f_2(13))\) |
| Hardy hierarchy | \(H_{\omega^22}(12)\) | \(H_{\omega^22}(13)\) |
| Slow-growing hierarchy | \(g_{\omega^{\omega^43}}(10)\) | |