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, v8E♭ 78/77
3 31.3043 ^3D, v7E♭ 50/49, 56/55, 64/63
4 41.7391 ^4D, v6E♭ 40/39
5 52.1739 ^5D, v5E♭ 33/32
6 62.6087 ^6D, v4E♭ 80/77
7 73.0435 ^7D, v3E♭ 25/24
8 83.4783 ^8D, vvE♭ 21/20, 22/21
9 93.913 D♯, vE♭ 55/52
10 104.348 ^D♯, E♭ 35/33, 52/49
11 114.783 ^^D♯, v8E 16/15
12 125.217 ^3D♯, v7E 14/13
13 135.652 ^4D♯, v6E
14 146.087 ^5D♯, v5E
15 156.522 ^6D♯, v4E 35/32
16 166.957 ^7D♯, v3E 11/10
17 177.391 ^8D♯, vvE
18 187.826 D𝄪, vE 39/35, 49/44
19 198.261 E 28/25, 55/49
20 208.696 ^E, F♭ 44/39
21 219.13 ^^E, v8F 25/22
22 229.565 ^3E, v7F 8/7
23 240 ^4E, v6F
24 250.435 ^5E, v5F
25 260.87 ^6E, v4F 64/55, 65/56
26 271.304 ^7E, v3F 75/64
27 281.739 ^8E, vvF 33/28
28 292.174 E♯, vF 13/11, 77/65
29 302.609 F 25/21
30 313.043 ^F, G♭♭ 6/5
31 323.478 ^^F, v8G♭ 77/64
32 333.913 ^3F, v7G♭ 40/33
33 344.348 ^4F, v6G♭ 39/32
34 354.783 ^5F, v5G♭ 49/40
35 365.217 ^6F, v4G♭
36 375.652 ^7F, v3G♭
37 386.087 ^8F, vvG♭ 5/4
38 396.522 F♯, vG♭ 44/35, 49/39, 63/50
39 406.957 ^F♯, G♭
40 417.391 ^^F♯, v8G 14/11, 80/63
41 427.826 ^3F♯, v7G 32/25, 50/39
42 438.261 ^4F♯, v6G
43 448.696 ^5F♯, v5G
44 459.13 ^6F♯, v4G 64/49
45 469.565 ^7F♯, v3G 21/16, 55/42
46 480 ^8F♯, vvG 33/25
47 490.435 F𝄪, vG 65/49
48 500.87 G 4/3
49 511.304 ^G, A♭♭ 35/26
50 521.739 ^^G, v8A♭
51 532.174 ^3G, v7A♭
52 542.609 ^4G, v6A♭
53 553.043 ^5G, v5A♭ 11/8
54 563.478 ^6G, v4A♭
55 573.913 ^7G, v3A♭ 39/28
56 584.348 ^8G, vvA♭ 7/5
57 594.783 G♯, vA♭ 55/39
58 605.217 ^G♯, A♭ 78/55
59 615.652 ^^G♯, v8A 10/7
60 626.087 ^3G♯, v7A 56/39
61 636.522 ^4G♯, v6A
62 646.957 ^5G♯, v5A 16/11
63 657.391 ^6G♯, v4A
64 667.826 ^7G♯, v3A
65 678.261 ^8G♯, vvA 65/44, 77/52
66 688.696 G𝄪, vA 52/35
67 699.13 A 3/2
68 709.565 ^A, B♭♭
69 720 ^^A, v8B♭ 50/33
70 730.435 ^3A, v7B♭ 32/21
71 740.87 ^4A, v6B♭ 49/32
72 751.304 ^5A, v5B♭ 77/50
73 761.739 ^6A, v4B♭
74 772.174 ^7A, v3B♭ 25/16, 39/25
75 782.609 ^8A, vvB♭ 11/7, 63/40
76 793.043 A♯, vB♭
77 803.478 ^A♯, B♭ 35/22, 78/49
78 813.913 ^^A♯, v8B 8/5
79 824.348 ^3A♯, v7B
80 834.783 ^4A♯, v6B
81 845.217 ^5A♯, v5B 80/49
82 855.652 ^6A♯, v4B 64/39
83 866.087 ^7A♯, v3B 33/20
84 876.522 ^8A♯, vvB
85 886.957 A𝄪, vB 5/3
86 897.391 B 42/25
87 907.826 ^B, C♭ 22/13
88 918.261 ^^B, v8C 56/33
89 928.696 ^3B, v7C
90 939.13 ^4B, v6C 55/32
91 949.565 ^5B, v5C
92 960 ^6B, v4C
93 970.435 ^7B, v3C 7/4
94 980.87 ^8B, vvC 44/25
95 991.304 B♯, vC 39/22
96 1001.74 C 25/14
97 1012.17 ^C, D♭♭ 70/39
98 1022.61 ^^C, v8D♭
99 1033.04 ^3C, v7D♭ 20/11
100 1043.48 ^4C, v6D♭ 64/35
101 1053.91 ^5C, v5D♭
102 1064.35 ^6C, v4D♭
103 1074.78 ^7C, v3D♭ 13/7
104 1085.22 ^8C, vvD♭ 15/8
105 1095.65 C♯, vD♭ 49/26, 66/35
106 1106.09 ^C♯, D♭
107 1116.52 ^^C♯, v8D 21/11, 40/21
108 1126.96 ^3C♯, v7D 48/25
109 1137.39 ^4C♯, v6D 77/40
110 1147.83 ^5C♯, v5D 64/33
111 1158.26 ^6C♯, v4D 39/20
112 1168.7 ^7C♯, v3D 49/25, 55/28, 63/32
113 1179.13 ^8C♯, vvD 77/39
114 1189.57 C𝄪, vD
115 1200 D 2/1