Duoltetarto is equal to 25[2] using Ampersand Notation. [1] The term was coined by Googology Wiki user CompactStar. It is equal to 25[1][1]...[1][1] with 25 copies of [1] in Ampersand Notation.
Etymology[]
The name is derived from the number duol and the Greek-based suffix tetarto, signifying 1/4.
Approximations[]
| Notation | Approximation |
|---|---|
| Arrow notation | \(25 \uparrow\uparrow\uparrow 26\) |
| Hyper-E notation | \(E36\#25\#25\) |
| Cascading-E notation | \(E36\#25\#25\) |
| Steinhaus-Moser Notation | 25[5] (exact) |
| Fast-growing hierarchy | \(f_{4}(26)\) |
| Hardy hierarchy | \(H_{\omega^{4}}(26)\) |
| Slow-growing hierarchy | \(g_{\zeta_{0}}(25)\) |
Sources[]
- ↑ CompactStar. Ampersand Notation numbers. Retrieved Aug 21, 2022.
See also[]
Ampersand Notation numbers
Basic Ampersand Notation
Emptol group:
emptoltetarto · emptolmiso · emptol · emptoldyo · emptoltria · emptoltessera · emptolpente · emptolexi · emptoldeka · emptolpeninta · emptolekato · superior-emptoltetarto · superior-emptolmiso · superior-emptol · superior-emptoldyo · superior-emptoltria · superior-emptoltessera · superior-emptolpente · superior-emptolexi · superior-emptoldeka · superior-emptolpeninta · superior-emptolekato · bisuperior-emptol · bisuperior-emptoldyo · bisuperior-emptolpente · bisuperior-emptoldeka · bisuperior-emptolekato · trisuperior-emptol · quadrisuperior-emptol · quintisuperior-emptol · sextisuperior-emptol · septisuperior-emptol · octisuperior-emptol
Unol group:
unoltetarto · unolmiso · unol · unoldyo · unoltria · unoltessera · unolpente · unolexi · unoldeka · unolpeninta · unolekato · superior-unoltetarto · superior-unolmiso · superior-unol · superior-unoldyo · superior-unoltria · superior-unoltessera · superior-unolpente · superior-unolexi · superior-unoldeka · superior-unolpeninta · superior-unolekato · bisuperior-unol · bisuperior-unoldyo · bisuperior-unolpente · bisuperior-unoldeka · bisuperior-unolekato · trisuperior-unol · quadrisuperior-unol · quintisuperior-unol · sextisuperior-unol · septisuperior-unol · octisuperior-unol
Duol group: