81/49: Difference between revisions
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'''81/49''', the '''novel submajor sixth''' or '''septimal augmented fifth''', is a [[7-limit]] interval. It is the interval created by stacking two [[9/7]]s, and is equated to [[5/3]] in [[245/243|sensamagic (245/243)]] temperaments, including no-twos [[BPS]]. | '''81/49''', the '''novel submajor sixth''' or '''septimal augmented fifth''', is a [[7-limit]] interval. It is the interval created by stacking two [[9/7]]s, and is equated to [[5/3]] in [[245/243|sensamagic (245/243)]] temperaments, including no-twos [[BPS]]. | ||
== Approximations == | |||
{{interval edo approximation}} | |||
== See also == | == See also == | ||
* [[98/81]], its octave complement | * [[98/81]], its octave complement | ||
{{stub}} | {{stub}} | ||
Latest revision as of 19:52, 11 December 2025
| Interval information |
novel submajor sixth
81/49, the novel submajor sixth or septimal augmented fifth, is a 7-limit interval. It is the interval created by stacking two 9/7s, and is equated to 5/3 in sensamagic (245/243) temperaments, including no-twos BPS.
Approximations
| Edo | Step size | Cents (¢) | Absolute error (¢) | Relative error (%) |
|---|---|---|---|---|
| 4 | 3\4 | 900.00 | +29.83 | +9.94 |
| 7 | 5\7 | 857.14 | -13.03 | -7.60 |
| 11 | 8\11 | 872.73 | +2.56 | +2.35 |
| 18 | 13\18 | 866.67 | -3.50 | -5.25 |
| 22 | 16\22 | 872.73 | +2.56 | +4.69 |
| 29 | 21\29 | 868.97 | -1.20 | -2.91 |
| 33 | 24\33 | 872.73 | +2.56 | +7.04 |
| 40 | 29\40 | 870.00 | -0.17 | -0.56 |
| 44 | 32\44 | 872.73 | +2.56 | +9.38 |
| 47 | 34\47 | 868.09 | -2.08 | -8.16 |
| 51 | 37\51 | 870.59 | +0.42 | +1.79 |
| 58 | 42\58 | 868.97 | -1.20 | -5.81 |
| 62 | 45\62 | 870.97 | +0.80 | +4.13 |
| 69 | 50\69 | 869.57 | -0.60 | -3.47 |
| 73 | 53\73 | 871.23 | +1.06 | +6.48 |
| 80 | 58\80 | 870.00 | -0.17 | -1.12 |
See also
- 98/81, its octave complement
|
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