49/32

Revision as of 13:15, 3 November 2025 by FloraC (talk | contribs) (Text replacement - " {{Interval_Edo_Approximation | " to "{{Interval edo approximation|")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

49/32, the the octave-reduced 49th harmonic, also known as the septimal inframinor sixth or wide septimal superfifth[idiosyncratic term], or is 640/637 (8.1 cents) flat of 20/13, and is the interval between 8/7 and 7/4.

Interval information
Ratio 49/32
Factorization 2-5 × 72
Monzo [-5 0 0 2
Size in cents 737.6518¢
Names septimal inframinor sixth,
octave-reduced 49th harmonic
Color name zz6, zozo 6th
FJS name [math]\displaystyle{ \text{m6}^{7,7} }[/math]
Special properties reduced,
reduced harmonic
Tenney norm (log2 nd) 10.6147
Weil norm (log2 max(n, d)) 11.2294
Wilson norm (sopfr(nd)) 24

[sound info]
Open this interval in xen-calc

Five octaves plus 49/32 gives the interval 49/1, the ‘wide fortieth’, the equivalence interval for 173ed49.

Approximation

Edo approximations for 49/32 (737.65 ¢)
≤ 80edo, relative error ≤ 10%
Edo Step size Cents (¢) Absolute error (¢) Relative error (%)
5 3\5 720.00 -17.65 -7.35
8 5\8 750.00 +12.35 +8.23
13 8\13 738.46 +0.81 +0.88
18 11\18 733.33 -4.32 -6.48
21 13\21 742.86 +5.21 +9.11
26 16\26 738.46 +0.81 +1.75
31 19\31 735.48 -2.17 -5.60
34 21\34 741.18 +3.52 +9.99
39 24\39 738.46 +0.81 +2.63
44 27\44 736.36 -1.29 -4.72
52 32\52 738.46 +0.81 +3.51
57 35\57 736.84 -0.81 -3.85
65 40\65 738.46 +0.81 +4.39
70 43\70 737.14 -0.51 -2.97
78 48\78 738.46 +0.81 +5.26

See also