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Created page with "'''Division of the 7th harmonic into 73 equal parts''' (73ed7) is related to 26 edo, but with the 7/1 rather than the 2/1 being just. The octave is slightly..."
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'''[[Ed7|Division of the 7th harmonic]] into 73 equal parts''' (73ed7) is related to [[26edo|26 edo]], but with the 7/1 rather than the 2/1 being just. The octave is slightly compressed (about 0.1442 cents) and the step size is about 46.1483 cents. The patent val has a generally flat tendency for harmonics up to 21, with exception for 11th harmonic.
{{Infobox ET}}
'''[[Ed7|Division of the 7th harmonic]] into 73 equal parts''' (73ed7) is almost identical to [[26edo|26 edo]], but with the 7/1 rather than the 2/1 being just. The octave is slightly compressed (about 0.1442 cents) and the step size is about 46.1483 cents. The [[patent val]] has a generally flat tendency for harmonics up to 21, with exception for 11th harmonic.


[[Category:Ed7]]
== Intervals ==
[[Category:Edonoi]]
{{Interval table}}
 
== Harmonics ==
{{Harmonics in equal|73|7|1|intervals=prime}}
{{Harmonics in equal|73|7|1|intervals=prime|collapsed=1|start=12}}
 
 
{{stub}}

Latest revision as of 19:23, 1 August 2025

← 72ed7 73ed7 74ed7 →
Prime factorization 73 (prime)
Step size 46.1483 ¢ 
Octave 26\73ed7 (1199.86 ¢)
(convergent)
Twelfth 41\73ed7 (1892.08 ¢)
Consistency limit 14
Distinct consistency limit 9

Division of the 7th harmonic into 73 equal parts (73ed7) is almost identical to 26 edo, but with the 7/1 rather than the 2/1 being just. The octave is slightly compressed (about 0.1442 cents) and the step size is about 46.1483 cents. The patent val has a generally flat tendency for harmonics up to 21, with exception for 11th harmonic.

Intervals

Steps Cents Approximate ratios
0 0 1/1
1 46.1 36/35, 37/36, 38/37
2 92.3 19/18, 20/19
3 138.4 13/12
4 184.6 10/9
5 230.7 8/7
6 276.9 34/29
7 323 35/29
8 369.2 21/17, 26/21
9 415.3 14/11, 33/26
10 461.5 17/13
11 507.6
12 553.8 11/8
13 599.9 17/12, 24/17
14 646.1 16/11, 29/20
15 692.2
16 738.4 26/17
17 784.5 11/7
18 830.7 21/13, 34/21
19 876.8
20 923 29/17
21 969.1 7/4
22 1015.3 9/5
23 1061.4 24/13
24 1107.6 36/19
25 1153.7 35/18, 37/19
26 1199.9 2/1
27 1246 37/18
28 1292.2 19/9
29 1338.3 13/6
30 1384.4 20/9
31 1430.6 16/7
32 1476.7
33 1522.9
34 1569
35 1615.2 28/11, 33/13
36 1661.3 34/13
37 1707.5
38 1753.6 11/4
39 1799.8 17/6
40 1845.9 29/10, 32/11
41 1892.1
42 1938.2
43 1984.4 22/7
44 2030.5
45 2076.7
46 2122.8
47 2169 7/2
48 2215.1 18/5
49 2261.3
50 2307.4
51 2353.6 35/9
52 2399.7 4/1
53 2445.9 37/9
54 2492 38/9
55 2538.2 13/3
56 2584.3
57 2630.5 32/7
58 2676.6
59 2722.7
60 2768.9
61 2815
62 2861.2
63 2907.3
64 2953.5 11/2
65 2999.6 17/3
66 3045.8 29/5
67 3091.9
68 3138.1
69 3184.2
70 3230.4
71 3276.5
72 3322.7
73 3368.8 7/1

Harmonics

Approximation of prime harmonics in 73ed7
Harmonic 2 3 5 7 11 13 17 19 23 29 31
Error Absolute (¢) -0.1 -9.9 -17.4 +0.0 +2.0 -10.3 -13.2 -21.2 +17.2 -14.9 +8.1
Relative (%) -0.3 -21.4 -37.7 +0.0 +4.4 -22.3 -28.7 -45.9 +37.3 -32.3 +17.5
Steps
(reduced)
26
(26)
41
(41)
60
(60)
73
(0)
90
(17)
96
(23)
106
(33)
110
(37)
118
(45)
126
(53)
129
(56)
Approximation of prime harmonics in 73ed7
Harmonic 37 41 43 47 53 59 61 67 71 73 79
Error Absolute (¢) -21.3 -14.4 -4.6 -20.2 +2.6 +1.5 -10.0 +12.1 +4.0 +2.1 +3.8
Relative (%) -46.2 -31.3 -10.0 -43.7 +5.6 +3.3 -21.8 +26.3 +8.7 +4.5 +8.2
Steps
(reduced)
135
(62)
139
(66)
141
(68)
144
(71)
149
(3)
153
(7)
154
(8)
158
(12)
160
(14)
161
(15)
164
(18)


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