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Oct-tritillion is equal to H(38) = H(6,561) = 1019,686.[1] The name was coined by SuperJedi224.
Decimal expansion[]
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Approximations[]
| Notation
|
Lower bound
|
Upper bound
|
| Scientific notation
|
\(1\times10^{19\,686}\)
|
| Arrow notation
|
\(10\uparrow19\,686\)
|
| Steinhaus-Moser Notation
|
5[3][3]
|
6[3][3]
|
| Copy notation
|
9[19686]
|
1[19687]
|
| Taro's multivariable Ackermann function
|
A(3,65392)
|
A(3,65393)
|
| Pound-Star Notation
|
#*((994))*70
|
#*((995))*70
|
| BEAF
|
{10,19686}
|
| Hyper-E notation
|
E19,686
|
| Bashicu matrix system
|
(0)(1)[3]
|
(0)(1)[4]
|
| 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
|
\(g_{\omega^{\omega^4+\omega^39+\omega^26+\omega8+6}}(10)\)
|
Sources[]
"-Illion" numbers by SuperJedi224
