4004001/4004000
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| Ratio | 4004001/4004000 |
| Factorization | 2-5 × 32 × 5-3 × 7-1 × 11-1 × 13-1 × 232 × 292 |
| Monzo | [-5 2 -3 -1 -1 -1 0 0 2 2⟩ |
| Size in cents | 0.00043237608¢ |
| Name | odyssey comma |
| Color name | bitwenotwetho-athulurutrigu 2nd, 29oo23oo3u1urg32, bitwenotwetho-athulurutrigu comma |
| FJS name | [math]\text{m}{-2}^{23,23,29,29}_{5,5,5,7,11,13}[/math] |
| Special properties | square superparticular, reduced |
| Tenney height (log2 nd) | 43.866 |
| Weil height (log2 max(n, d)) | 43.866 |
| Wilson height (sopfr (nd)) | 166 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~2.3983 bits |
| Comma size | unnoticeable |
| open this interval in xen-calc | |
4004001/4004000, the odyssey comma, is a 29-limit no-17s no-19s unnoticeable comma measuring about 0.00043 cents. It was named by Tristan Bay in 2024 after the film 2001: A Space Odyssey, because it is the superparticular ratio with 20012 as its numerator, or S2001 (see Square superparticular).