An explanation is here.
Un explanation es hic.
1.000000 0.000 0/12 octave 1.012500 21.506 81:80 ratio 1.013164 22.642 1/53 octave 1.026502 45.283 2/53 octave 1.029302 50.000 1/24 octave 1.037037 62.961 28:27 ratio 1.038462 65.337 27:26 ratio 1.040000 67.900 26:25 ratio 1.040015 67.925 3/53 octave 1.041667 70.672 25:24 ratio 1.043478 73.681 24:23 ratio 1.045455 76.956 23:22 ratio 1.047619 80.537 22:21 ratio 1.050000 84.467 21:20 ratio 1.052632 88.801 20:19 ratio 1.053498 90.225 256:243 ratio 1.053705 90.566 4/53 octave 1.054688 92.179 135:128 ratio 1.055556 93.603 19:18 ratio 1.058824 98.955 18:17 ratio 1.059463 100.000 1/12 octave 1.062500 104.955 17:16 ratio 1.066667 111.731 16:15 ratio 1.067577 113.208 5/53 octave 1.067871 113.685 2187:2048 ratio 1.071429 119.443 15:14 ratio 1.076923 128.298 14:13 ratio 1.080000 133.238 27:25 ratio 1.081630 135.849 6/53 octave 1.083333 138.573 13:12 ratio 1.086420 143.498 88:81 ratio 1.086957 144.353 25:23 ratio 1.090508 150.000 3/24 octave 1.090909 150.637 12:11 ratio 1.095238 157.493 23:21 ratio 1.095869 158.491 7/53 octave 1.100000 165.004 11:10 ratio 1.105263 173.268 21:19 ratio 1.109858 180.450 65536:59049 ratio 1.110295 181.132 8/53 octave 1.111111 182.404 10:9 ratio 1.117647 192.558 19:17 ratio 1.120000 196.198 28:25 ratio 1.122462 200.000 2/12 octave 1.124911 203.774 9/53 octave 1.125000 203.910 9:8 ratio 1.130435 212.253 26:23 ratio 1.133333 216.687 17:15 ratio 1.136364 221.309 25:22 ratio 1.137778 223.463 256:225 ratio 1.139720 226.415 10/53 octave 1.142857 231.174 8:7 ratio 1.150000 241.961 23:20 ratio 1.153846 247.741 15:13 ratio 1.154723 249.057 11/53 octave 1.155353 250.000 5/24 octave 1.157895 253.805 22:19 ratio 1.166667 266.871 7:6 ratio 1.169924 271.698 12/53 octave 1.171875 274.582 75:64 ratio 1.173913 277.591 27:23 ratio 1.176471 281.358 20:17 ratio 1.181818 289.210 13:11 ratio 1.185185 294.135 32:27 ratio 1.185325 294.340 13/53 octave 1.187500 297.513 19:16 ratio 1.189207 300.000 3/12 octave 1.190476 301.847 25:21 ratio 1.200000 315.641 6:5 ratio 1.200929 316.981 14/53 octave 1.201355 317.595 19683:16384 ratio 1.210526 330.761 23:19 ratio 1.214286 336.130 17:14 ratio 1.216738 339.623 15/53 octave 1.217391 340.552 28:23 ratio 1.222222 347.408 11:9 ratio 1.224054 350.000 7/24 octave 1.227273 354.547 27:22 ratio 1.230769 359.472 16:13 ratio 1.232756 362.264 16/53 octave 1.235294 365.825 21:17 ratio 1.238095 369.747 26:21 ratio 1.248590 384.360 8192:6561 ratio 1.248984 384.906 17/53 octave 1.250000 386.314 5:4 ratio 1.259921 400.000 4/12 octave 1.263158 404.442 24:19 ratio 1.264198 405.866 512:405 ratio 1.265426 407.547 18/53 octave 1.265625 407.820 81:64 ratio 1.266667 409.244 19:15 ratio 1.272727 417.508 14:11 ratio 1.277778 424.364 23:18 ratio 1.280000 427.373 32:25 ratio 1.282084 430.189 19/53 octave 1.285714 435.084 9:7 ratio 1.294118 446.363 22:17 ratio 1.296840 450.000 9/24 octave 1.298961 452.830 20/53 octave 1.300000 454.214 13:10 ratio 1.307692 464.428 17:13 ratio 1.312500 470.781 21:16 ratio 1.315789 475.114 25:19 ratio 1.316061 475.472 21/53 octave 1.318359 478.492 675:512 ratio 1.333333 498.045 4:3 ratio 1.333386 498.113 22/53 octave 1.334840 500.000 5/12 octave 1.350000 519.551 27:20 ratio 1.350939 520.755 23/53 octave 1.351524 521.505 177147:131072 ratio 1.352941 523.319 23:17 ratio 1.357143 528.687 19:14 ratio 1.363636 536.951 15:11 ratio 1.368421 543.015 26:19 ratio 1.368723 543.396 24/53 octave 1.373954 550.000 11/24 octave 1.375000 551.318 11:8 ratio 1.384615 563.382 18:13 ratio 1.386741 566.038 25/53 octave 1.388889 568.717 25:18 ratio 1.400000 582.512 7:5 ratio 1.404664 588.270 1024:729 ratio 1.404996 588.679 26/53 octave 1.406250 590.224 45:32 ratio 1.411765 597.000 24:17 ratio 1.414214 600.000 6/12 octave 1.416667 603.000 17:12 ratio 1.421053 608.352 27:19 ratio 1.422222 609.776 64:45 ratio 1.423492 611.321 27/53 octave 1.423828 611.730 729:512 ratio 1.428571 617.488 10:7 ratio 1.437500 628.274 23:16 ratio 1.440000 631.283 36:25 ratio 1.442231 633.962 28/53 octave 1.444444 636.618 13:9 ratio 1.454545 648.682 16:11 ratio 1.455653 650.000 13/24 octave 1.461216 656.604 29/53 octave 1.461538 656.985 19:13 ratio 1.466667 663.049 22:15 ratio 1.470588 667.672 25:17 ratio 1.473684 671.313 28:19 ratio 1.479811 678.495 262144:177147 ratio 1.480452 679.245 30/53 octave 1.481481 680.449 40:27 ratio 1.498307 700.000 7/12 octave 1.499941 701.887 31/53 octave 1.500000 701.955 3:2 ratio 1.519686 724.528 32/53 octave 1.529412 735.572 26:17 ratio 1.533333 740.006 23:15 ratio 1.538462 745.786 20:13 ratio 1.539692 747.170 33/53 octave 1.542211 750.000 15/24 octave 1.545455 753.637 17:11 ratio 1.555556 764.916 14:9 ratio 1.559960 769.811 34/53 octave 1.562500 772.627 25:16 ratio 1.571429 782.492 11:7 ratio 1.580247 792.180 128:81 ratio 1.580496 792.453 35/53 octave 1.583333 795.558 19:12 ratio 1.587401 800.000 8/12 octave 1.588235 800.910 27:17 ratio 1.600000 813.686 8:5 ratio 1.601302 815.094 36/53 octave 1.601807 815.640 6561:4096 ratio 1.615385 830.253 21:13 ratio 1.622382 837.736 37/53 octave 1.625000 840.528 13:8 ratio 1.633915 850.000 17/24 octave 1.636364 852.592 18:11 ratio 1.642857 859.448 23:14 ratio 1.643739 860.377 38/53 octave 1.647059 863.870 28:17 ratio 1.650000 866.959 33:20 ratio 1.665377 883.019 39/53 octave 1.666667 884.359 5:3 ratio 1.681793 900.000 9/12 octave 1.687301 905.660 40/53 octave 1.687500 905.865 27:16 ratio 1.692308 910.790 22:13 ratio 1.700000 918.642 17:10 ratio 1.709512 928.302 41/53 octave 1.714286 933.129 12:7 ratio 1.727273 946.195 19:11 ratio 1.731073 950.000 19/24 octave 1.732017 950.943 42/53 octave 1.733333 952.259 26:15 ratio 1.750000 968.826 7:4 ratio 1.754817 973.585 43/53 octave 1.757813 976.537 225:128 ratio 1.769231 987.747 23:13 ratio 1.777778 996.090 16:9 ratio 1.777918 996.226 44/53 octave 1.781797 1000.000 10/12 octave 1.785714 1003.802 25:14 ratio 1.800000 1017.596 9:5 ratio 1.801323 1018.868 45/53 octave 1.802032 1019.550 59049:32768 ratio 1.818182 1034.996 20:11 ratio 1.825036 1041.509 46/53 octave 1.833333 1049.363 11:6 ratio 1.834008 1050.000 21/24 octave 1.846154 1061.427 24:13 ratio 1.849061 1064.151 47/53 octave 1.851852 1066.762 50:27 ratio 1.857143 1071.702 13:7 ratio 1.866667 1080.557 28:15 ratio 1.872885 1086.315 4096:2187 ratio 1.873402 1086.792 48/53 octave 1.875000 1088.269 15:8 ratio 1.887749 1100.000 11/12 octave 1.888889 1101.045 17:9 ratio 1.898064 1109.434 49/53 octave 1.898437 1109.775 243:128 ratio 1.900000 1111.199 19:10 ratio 1.909091 1119.463 21:11 ratio 1.916667 1126.319 23:12 ratio 1.920000 1129.328 48:25 ratio 1.923050 1132.075 50/53 octave 1.923077 1132.100 25:13 ratio 1.928571 1137.039 27:14 ratio 1.943064 1150.000 23/24 octave 1.948365 1154.717 51/53 octave 1.974014 1177.358 52/53 octave 2.000000 1200.000 2:1 ratio