27.35 equal temperament

matches all qualities of thirds, but not the perfect octave
Scale degree Cents Nearest Ratio Quality
1 44
2 88
3 132
4 176 10/9 major 2nd
5 219 major 2nd
6 263 7/6 subminor 3rd
7 307 6/5 minor 3rd
8 351 11/9 neutral 3rd
9 395 5/4 major 3rd
10 439 9/7 supermajor 3rd
11 483
12 527
13 570 7/5 diminished 5th
14 614
15 658
16 702 3/2 perfect 5th
17 746 14/9 subminor 6th
18 790 8/5 minor 6th
19 834 44/27 neutral 6th
20 878 5/3 major 6th
21 921 12/7 supermajor 6th
22 965 7/4 subminor 7th
23 1009 9/5 minor 7th
24 1053 11/6 neutral 7th
25 1097 15/8 major 7th
26 1141 27/14 supermajor 7th
27 1185 2/1 diminished octave
28 1229 2/1 augmented octave