403edo

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← 402edo 403edo 404edo →
Prime factorization 13 × 31
Step size 2.97767 ¢ 
Fifth 236\403 (702.73 ¢)
Semitones (A1:m2) 40:29 (119.1 ¢ : 86.35 ¢)
Consistency limit 5
Distinct consistency limit 5

Template:EDO intro

Theory

403et tempers out 134217728/133984375, 78125000/78121827 and 2100875/2097152 in the 7-limit; 100663296/100656875, 806736/805255, 2097152/2096325, 12005/11979, 7168000/7144929, 131072/130977, 107495424/107421875, 42875/42768, 1684375/1679616, 3025/3024, 766656/765625, 4108797/4096000 and 644204/643125 in the 11-limit.

Approximation of odd harmonics in 403edo
Harmonic 3 5 7 9 11 13 15 17 19 21 23
Error Absolute (¢) +0.77 +0.78 -1.08 -1.43 -0.45 -0.83 -1.42 -0.74 +0.25 -0.31 +0.01
Relative (%) +26.0 +26.3 -36.4 -48.0 -15.1 -27.7 -47.7 -24.8 +8.5 -10.4 +0.5
Steps
(reduced)
639
(236)
936
(130)
1131
(325)
1277
(68)
1394
(185)
1491
(282)
1574
(365)
1647
(35)
1712
(100)
1770
(158)
1823
(211)

Regular temperament properties

Subgroup Comma List Mapping Optimal
8ve Stretch (¢)
Tuning Error
Absolute (¢) Relative (%)
2.3 [639 -403 403 639] -0.2443 0.2443 8.20
2.3.5 [9 -13 5, [81 -13 -26 403 639 936] -0.2753 0.2042 6.86
2.3.5.7 3136/3125, 1600000/1594323, 2100875/2097152 403 639 936 1131] -0.3751 0.2473 8.31
2.3.5.7.11 3025/3024, 3388/3375, 42875/42768, 131072/130977 403 639 936 1131 1394] -0.0621 0.3160 10.61
2.3.5.7.11.13 2080/2079, 3025/3024, 3388/3375, 4096/4095, 42875/42768 403 639 936 1131 1394 1491] -0.0146 0.3074 10.32
2.3.5.7.11.13.17 2080/2079, 595/594, 1225/1224, 3025/3024, 4096/4095, 3388/3375 403 639 936 1131 1394 1491 1647] +0.0133 0.2927 9.83

Rank-2 temperaments

Table of rank-2 temperaments by generator
Periods
per 8ve
Generator
(reduced)
Cents
(reduced)
Associated
ratio
Temperaments
1 53\403 157.82 36756909/33554432 Hemiegads
1 106\403 315.63 6/5 Egads
1 114\403 339.45 243/200 Amity