15ed7

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← 14ed7 15ed7 16ed7 →
Prime factorization 3 × 5
Step size 224.588¢ 
Octave 5\15ed7 (1122.94¢) (→1\3ed7)
Twelfth 8\15ed7 (1796.71¢)
Consistency limit 3
Distinct consistency limit 3

Division of the 7th harmonic into 15 equal parts (15ed7) is related to the supermajor temperament, which tempers out 4375/4374 and 52734375/52706752. The step size is about 224.5884 cents, corresponding to 5.3431 edo.

Harmonics

Approximation of harmonics in 15ed7
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -77.1 -105.2 +70.5 -91.3 +42.3 +0.0 -6.6 +14.1 +56.3 -108.7 -34.8
Relative (%) -34.3 -46.9 +31.4 -40.6 +18.8 +0.0 -2.9 +6.3 +25.1 -48.4 -15.5
Steps
(reduced)
5
(5)
8
(8)
11
(11)
12
(12)
14
(14)
15
(0)
16
(1)
17
(2)
18
(3)
18
(3)
19
(4)
Approximation of harmonics in 15ed7
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +51.2 -77.1 +28.1 -83.6 +36.0 -63.0 +68.0 -20.8 -105.2 +38.8 -38.2
Relative (%) +22.8 -34.3 +12.5 -37.2 +16.0 -28.0 +30.3 -9.3 -46.9 +17.3 -17.0
Steps
(reduced)
20
(5)
20
(5)
21
(6)
21
(6)
22
(7)
22
(7)
23
(8)
23
(8)
23
(8)
24
(9)
24
(9)

Intervals

degree cents value corresponding
JI intervals
comments
0 0.0000 exact 1/1
1 224.5884
2 449.1768 35/27
3 673.7652
4 898.3536 42/25
5 1122.9420 21/11, 44/23
6 1347.5304 98/45
7 1572.1188 119/48
8 1796.7072 48/17
9 2021.2955 45/14
10 2245.8839 11/3
11 2470.4723 25/6
12 2695.0607
13 2919.6491 27/5
14 3144.2375
15 3368.8259 exact 7/1 harmonic seventh plus two octaves


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