115edo

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← 114edo115edo116edo →
Prime factorization 5 × 23
Step size 10.4348¢
Fifth 67\115 (699.13¢)
Semitones (A1:m2) 9:10 (93.91¢ : 104.3¢)
Consistency limit 7
Distinct consistency limit 7

115 equal divisions of the octave (abbreviated 115edo or 115ed2), also called 115-tone equal temperament (115tet) or 115 equal temperament (115et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 115 equal parts of about 10.4 ¢ each. Each step represents a frequency ratio of 21/115, or the 115th root of 2.

115edo tempers out 1594323/1562500 (unicorn comma) and 2109375/2097152 (semicomma) in the 5-limit, as well as 43046721/41943040 and 30958682112/30517578125 (trisedodge comma); 225/224, 1728/1715, and 9920232/9765625 in the 7-limit. 115edo supports the newspeak temperament, tempering out 441/440, 1375/1372, and 1944/1925 in the 11-limit. The wizardharry comma, 4000/3993 is also tempered out in 115edo.

Odd harmonics

Approximation of odd harmonics in 115edo
Harmonic 3 5 7 9 11 13 15 17 19 21 23
Error absolute (¢) -2.82 -0.23 +1.61 +4.79 +1.73 +4.69 -3.05 -0.61 +5.10 -1.22 -2.19
relative (%) -27 -2 +15 +46 +17 +45 -29 -6 +49 -12 -21
Steps
(reduced)
182
(67)
267
(37)
323
(93)
365
(20)
398
(53)
426
(81)
449
(104)
470
(10)
489
(29)
505
(45)
520
(60)

Intervals

Steps Cents Ups and downs notation Approximate ratios
0 0 D 1/1
1 10.4348 ↑D, E♭♭
2 20.8696 ↑↑D, ↓8E♭ 78/77
3 31.3043 3D, ↓7E♭ 50/49, 56/55, 64/63
4 41.7391 4D, ↓6E♭ 40/39
5 52.1739 5D, ↓5E♭ 33/32
6 62.6087 6D, ↓4E♭ 80/77
7 73.0435 7D, ↓3E♭ 25/24
8 83.4783 8D, ↓↓E♭ 21/20, 22/21
9 93.913 D♯, ↓E♭ 55/52
10 104.348 ↑D♯, E♭ 35/33, 52/49
11 114.783 ↑↑D♯, ↓8E 16/15
12 125.217 3D♯, ↓7E 14/13
13 135.652 4D♯, ↓6E
14 146.087 5D♯, ↓5E
15 156.522 6D♯, ↓4E 35/32
16 166.957 7D♯, ↓3E 11/10
17 177.391 8D♯, ↓↓E
18 187.826 D𝄪, ↓E 39/35, 49/44
19 198.261 E 28/25, 55/49
20 208.696 ↑E, F♭ 44/39
21 219.13 ↑↑E, ↓8F 25/22
22 229.565 3E, ↓7F 8/7
23 240 4E, ↓6F
24 250.435 5E, ↓5F
25 260.87 6E, ↓4F 64/55, 65/56
26 271.304 7E, ↓3F 75/64
27 281.739 8E, ↓↓F 33/28
28 292.174 E♯, ↓F 13/11, 77/65
29 302.609 F 25/21
30 313.043 ↑F, G♭♭ 6/5
31 323.478 ↑↑F, ↓8G♭ 77/64
32 333.913 3F, ↓7G♭ 40/33
33 344.348 4F, ↓6G♭ 39/32
34 354.783 5F, ↓5G♭ 49/40
35 365.217 6F, ↓4G♭
36 375.652 7F, ↓3G♭
37 386.087 8F, ↓↓G♭ 5/4
38 396.522 F♯, ↓G♭ 44/35, 49/39, 63/50
39 406.957 ↑F♯, G♭
40 417.391 ↑↑F♯, ↓8G 14/11, 80/63
41 427.826 3F♯, ↓7G 32/25, 50/39
42 438.261 4F♯, ↓6G
43 448.696 5F♯, ↓5G
44 459.13 6F♯, ↓4G 64/49
45 469.565 7F♯, ↓3G 21/16, 55/42
46 480 8F♯, ↓↓G 33/25
47 490.435 F𝄪, ↓G 65/49
48 500.87 G 4/3
49 511.304 ↑G, A♭♭ 35/26
50 521.739 ↑↑G, ↓8A♭
51 532.174 3G, ↓7A♭
52 542.609 4G, ↓6A♭
53 553.043 5G, ↓5A♭ 11/8
54 563.478 6G, ↓4A♭
55 573.913 7G, ↓3A♭ 39/28
56 584.348 8G, ↓↓A♭ 7/5
57 594.783 G♯, ↓A♭ 55/39
58 605.217 ↑G♯, A♭ 78/55
59 615.652 ↑↑G♯, ↓8A 10/7
60 626.087 3G♯, ↓7A 56/39
61 636.522 4G♯, ↓6A
62 646.957 5G♯, ↓5A 16/11
63 657.391 6G♯, ↓4A
64 667.826 7G♯, ↓3A
65 678.261 8G♯, ↓↓A 65/44, 77/52
66 688.696 G𝄪, ↓A 52/35
67 699.13 A 3/2
68 709.565 ↑A, B♭♭
69 720 ↑↑A, ↓8B♭ 50/33
70 730.435 3A, ↓7B♭ 32/21
71 740.87 4A, ↓6B♭ 49/32
72 751.304 5A, ↓5B♭ 77/50
73 761.739 6A, ↓4B♭
74 772.174 7A, ↓3B♭ 25/16, 39/25
75 782.609 8A, ↓↓B♭ 11/7, 63/40
76 793.043 A♯, ↓B♭
77 803.478 ↑A♯, B♭ 35/22, 78/49
78 813.913 ↑↑A♯, ↓8B 8/5
79 824.348 3A♯, ↓7B
80 834.783 4A♯, ↓6B
81 845.217 5A♯, ↓5B 80/49
82 855.652 6A♯, ↓4B 64/39
83 866.087 7A♯, ↓3B 33/20
84 876.522 8A♯, ↓↓B
85 886.957 A𝄪, ↓B 5/3
86 897.391 B 42/25
87 907.826 ↑B, C♭ 22/13
88 918.261 ↑↑B, ↓8C 56/33
89 928.696 3B, ↓7C
90 939.13 4B, ↓6C 55/32
91 949.565 5B, ↓5C
92 960 6B, ↓4C
93 970.435 7B, ↓3C 7/4
94 980.87 8B, ↓↓C 44/25
95 991.304 B♯, ↓C 39/22
96 1001.74 C 25/14
97 1012.17 ↑C, D♭♭ 70/39
98 1022.61 ↑↑C, ↓8D♭
99 1033.04 3C, ↓7D♭ 20/11
100 1043.48 4C, ↓6D♭ 64/35
101 1053.91 5C, ↓5D♭
102 1064.35 6C, ↓4D♭
103 1074.78 7C, ↓3D♭ 13/7
104 1085.22 8C, ↓↓D♭ 15/8
105 1095.65 C♯, ↓D♭ 49/26, 66/35
106 1106.09 ↑C♯, D♭
107 1116.52 ↑↑C♯, ↓8D 21/11, 40/21
108 1126.96 3C♯, ↓7D 48/25
109 1137.39 4C♯, ↓6D 77/40
110 1147.83 5C♯, ↓5D 64/33
111 1158.26 6C♯, ↓4D 39/20
112 1168.7 7C♯, ↓3D 49/25, 55/28, 63/32
113 1179.13 8C♯, ↓↓D 77/39
114 1189.57 C𝄪, ↓D
115 1200 D 2/1