An explanation is here.
Un explanation es hic.
1.000000 0.000 0/12 octave 1.009674 16.667 1/72 octave 1.012500 21.506 81:80 ratio 1.012919 22.222 1/54 octave 1.013164 22.642 1/53 octave 1.016250 27.907 1/43 octave 1.019441 33.333 2/72 octave 1.022611 38.710 1/31 octave 1.026004 44.444 2/54 octave 1.026502 45.283 2/53 octave 1.029302 50.000 1/24 octave 1.032765 55.814 2/43 octave 1.037037 62.961 28:27 ratio 1.037155 63.158 1/19 octave 1.038462 65.337 27:26 ratio 1.039259 66.667 3/54 octave 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 1.045734 77.419 2/31 octave 1.047619 80.537 22:21 ratio 1.049313 83.333 5/72 octave 1.049547 83.721 3/43 octave 1.050000 84.467 21:20 ratio 1.052632 88.801 20:19 ratio 1.052685 88.889 4/54 octave 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 1.066285 111.111 5/54 octave 1.066603 111.628 4/43 octave 1.066667 111.731 16:15 ratio 1.067577 113.208 5/53 octave 1.067871 113.685 2187:2048 ratio 1.069380 116.129 3/31 octave 1.069712 116.667 7/72 octave 1.071429 119.443 15:14 ratio 1.075691 126.316 2/19 octave 1.076923 128.298 14:13 ratio 1.080000 133.238 27:25 ratio 1.080060 133.333 6/54 octave 1.081630 135.849 6/53 octave 1.083333 138.573 13:12 ratio 1.083936 139.535 5/43 octave 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 1.093560 154.839 4/31 octave 1.094013 155.556 7/54 octave 1.095238 157.493 23:21 ratio 1.095869 158.491 7/53 octave 1.100000 165.004 11:10 ratio 1.101057 166.667 10/72 octave 1.101550 167.442 6/43 octave 1.105263 173.268 21:19 ratio 1.108146 177.778 8/54 octave 1.109858 180.450 65536:59049 ratio 1.110295 181.132 8/53 octave 1.111111 182.404 10:9 ratio 1.111708 183.333 11/72 octave 1.115658 189.474 3/19 octave 1.117647 192.558 19:17 ratio 1.118287 193.548 5/31 octave 1.119450 195.349 7/43 octave 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 1.133320 216.667 13/72 octave 1.133333 216.687 17:15 ratio 1.136364 221.309 25:22 ratio 1.136963 222.222 10/54 octave 1.137642 223.256 8/43 octave 1.137778 223.463 256:225 ratio 1.139720 226.415 10/53 octave 1.142857 231.174 8:7 ratio 1.143573 232.258 6/31 octave 1.144283 233.333 14/72 octave 1.150000 241.961 23:20 ratio 1.151651 244.444 11/54 octave 1.153846 247.741 15:13 ratio 1.154723 249.057 11/53 octave 1.155353 250.000 5/24 octave 1.156129 251.163 9/43 octave 1.157110 252.632 4/19 octave 1.157895 253.805 22:19 ratio 1.166529 266.667 12/54 octave 1.166667 266.871 7:6 ratio 1.169431 270.968 7/31 octave 1.169924 271.698 12/53 octave 1.171875 274.582 75:64 ratio 1.173913 277.591 27:23 ratio 1.174916 279.070 10/43 octave 1.176471 281.358 20:17 ratio 1.177813 283.333 17/72 octave 1.181599 288.889 13/54 octave 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 1.194009 306.977 11/43 octave 1.195873 309.677 8/31 octave 1.196864 311.111 14/54 octave 1.200000 315.641 6:5 ratio 1.200103 315.789 5/19 octave 1.200711 316.667 19/72 octave 1.200929 316.981 14/53 octave 1.201355 317.595 19683:16384 ratio 1.210526 330.761 23:19 ratio 1.212326 333.333 15/54 octave 1.213412 334.884 12/43 octave 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 1.222914 348.387 9/31 octave 1.224054 350.000 7/24 octave 1.227273 354.547 27:22 ratio 1.227988 355.556 16/54 octave 1.230769 359.472 16:13 ratio 1.232756 362.264 16/53 octave 1.233131 362.791 13/43 octave 1.235294 365.825 21:17 ratio 1.235894 366.667 22/72 octave 1.238095 369.747 26:21 ratio 1.243852 377.778 17/54 octave 1.244693 378.947 6/19 octave 1.247850 383.333 23/72 octave 1.248590 384.360 8192:6561 ratio 1.248984 384.906 17/53 octave 1.250000 386.314 5:4 ratio 1.250566 387.097 10/31 octave 1.253169 390.698 14/43 octave 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 1.272109 416.667 25/72 octave 1.272727 417.508 14:11 ratio 1.273534 418.605 15/43 octave 1.276198 422.222 19/54 octave 1.277778 424.364 23:18 ratio 1.278843 425.806 11/31 octave 1.280000 427.373 32:25 ratio 1.282084 430.189 19/53 octave 1.284415 433.333 26/72 octave 1.285714 435.084 9:7 ratio 1.290939 442.105 7/19 octave 1.292685 444.444 20/54 octave 1.294118 446.363 22:17 ratio 1.294229 446.512 16/43 octave 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 1.307759 464.516 12/31 octave 1.309385 466.667 21/54 octave 1.312500 470.781 21:16 ratio 1.315261 474.419 17/43 octave 1.315789 475.114 25:19 ratio 1.316061 475.472 21/53 octave 1.318359 478.492 675:512 ratio 1.322051 483.333 29/72 octave 1.326300 488.889 22/54 octave 1.333333 498.045 4:3 ratio 1.333386 498.113 22/53 octave 1.334840 500.000 5/12 octave 1.336634 502.326 18/43 octave 1.337329 503.226 13/31 octave 1.338904 505.263 8/19 octave 1.343434 511.111 23/54 octave 1.347752 516.667 31/72 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 1.358355 530.233 19/43 octave 1.360790 533.333 24/54 octave 1.363636 536.951 15:11 ratio 1.367568 541.935 14/31 octave 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 1.378370 555.556 25/54 octave 1.380429 558.140 20/43 octave 1.384615 563.382 18:13 ratio 1.386741 566.038 25/53 octave 1.387245 566.667 34/72 octave 1.388651 568.421 9/19 octave 1.388889 568.717 25:18 ratio 1.396177 577.778 26/54 octave 1.398491 580.645 15/31 octave 1.400000 582.512 7:5 ratio 1.400664 583.333 35/72 octave 1.402861 586.047 21/43 octave 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 1.425658 613.953 22/43 octave 1.427894 616.667 37/72 octave 1.428571 617.488 10:7 ratio 1.430113 619.355 16/31 octave 1.432483 622.222 28/54 octave 1.437500 628.274 23:16 ratio 1.440000 631.283 36:25 ratio 1.440247 631.579 10/19 octave 1.441707 633.333 38/72 octave 1.442231 633.962 28/53 octave 1.444444 636.618 13:9 ratio 1.448825 641.860 23/43 octave 1.450989 644.444 29/54 octave 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 1.462450 658.065 17/31 octave 1.466667 663.049 22:15 ratio 1.469734 666.667 30/54 octave 1.470588 667.672 25:17 ratio 1.472369 669.767 24/43 octave 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 1.483952 683.333 41/72 octave 1.488722 688.889 31/54 octave 1.493759 694.737 11/19 octave 1.495518 696.774 18/31 octave 1.496296 697.674 25/43 octave 1.498307 700.000 7/12 octave 1.499941 701.887 31/53 octave 1.500000 701.955 3:2 ratio 1.507954 711.111 32/54 octave 1.512801 716.667 43/72 octave 1.519686 724.528 32/53 octave 1.520611 725.581 26/43 octave 1.527435 733.333 33/54 octave 1.529334 735.484 19/31 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 1.545321 753.488 27/43 octave 1.545455 753.637 17:11 ratio 1.547168 755.556 34/54 octave 1.549260 757.895 12/19 octave 1.555556 764.916 14:9 ratio 1.557129 766.667 46/72 octave 1.559960 769.811 34/53 octave 1.562500 772.627 25:16 ratio 1.563914 774.194 20/31 octave 1.567155 777.778 35/54 octave 1.570433 781.395 28/43 octave 1.571429 782.492 11:7 ratio 1.572192 783.333 47/72 octave 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 1.595953 809.302 29/43 octave 1.599276 812.903 21/31 octave 1.600000 813.686 8:5 ratio 1.601302 815.094 36/53 octave 1.601807 815.640 6561:4096 ratio 1.602757 816.667 49/72 octave 1.606822 821.053 13/19 octave 1.607908 822.222 37/54 octave 1.615385 830.253 21:13 ratio 1.618261 833.333 50/72 octave 1.621888 837.209 30/43 octave 1.622382 837.736 37/53 octave 1.625000 840.528 13:8 ratio 1.628681 844.444 38/54 octave 1.633915 850.000 17/24 octave 1.635438 851.613 22/31 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 1.648244 865.116 31/43 octave 1.649721 866.667 39/54 octave 1.650000 866.959 33:20 ratio 1.665377 883.019 39/53 octave 1.665680 883.333 53/72 octave 1.666524 884.211 14/19 octave 1.666667 884.359 5:3 ratio 1.671034 888.889 40/54 octave 1.672418 890.323 23/31 octave 1.675029 893.023 32/43 octave 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 1.692621 911.111 41/54 octave 1.698062 916.667 55/72 octave 1.700000 918.642 17:10 ratio 1.702249 920.930 33/43 octave 1.709512 928.302 41/53 octave 1.710234 929.032 24/31 octave 1.714286 933.129 12:7 ratio 1.714488 933.333 42/54 octave 1.727273 946.195 19:11 ratio 1.728444 947.368 15/19 octave 1.729911 948.837 34/43 octave 1.731073 950.000 19/24 octave 1.732017 950.943 42/53 octave 1.733333 952.259 26:15 ratio 1.736637 955.556 43/54 octave 1.747819 966.667 58/72 octave 1.748905 967.742 25/31 octave 1.750000 968.826 7:4 ratio 1.754817 973.585 43/53 octave 1.757813 976.537 225:128 ratio 1.758022 976.744 35/43 octave 1.759072 977.778 44/54 octave 1.764726 983.333 59/72 octave 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 1.786591 1004.651 36/43 octave 1.788450 1006.452 26/31 octave 1.792664 1010.526 16/19 octave 1.799034 1016.667 61/72 octave 1.800000 1017.596 9:5 ratio 1.801323 1018.868 45/53 octave 1.802032 1019.550 59049:32768 ratio 1.804816 1022.222 46/54 octave 1.815624 1032.558 37/43 octave 1.816437 1033.333 62/72 octave 1.818182 1034.996 20:11 ratio 1.825036 1041.509 46/53 octave 1.828132 1044.444 47/54 octave 1.828889 1045.161 27/31 octave 1.833333 1049.363 11:6 ratio 1.834008 1050.000 21/24 octave 1.845128 1060.465 38/43 octave 1.846154 1061.427 24:13 ratio 1.849061 1064.151 47/53 octave 1.851749 1066.667 48/54 octave 1.851852 1066.762 50:27 ratio 1.857143 1071.702 13:7 ratio 1.859271 1073.684 17/19 octave 1.866667 1080.557 28:15 ratio 1.869662 1083.333 65/72 octave 1.870243 1083.871 28/31 octave 1.872885 1086.315 4096:2187 ratio 1.873402 1086.792 48/53 octave 1.875000 1088.269 15:8 ratio 1.875112 1088.372 39/43 octave 1.875672 1088.889 49/54 octave 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 1.899903 1111.111 50/54 octave 1.900000 1111.199 19:10 ratio 1.905583 1116.279 40/43 octave 1.906010 1116.667 67/72 octave 1.909091 1119.463 21:11 ratio 1.912532 1122.581 29/31 octave 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 1.924448 1133.333 51/54 octave 1.928352 1136.842 18/19 octave 1.928571 1137.039 27:14 ratio 1.936549 1144.186 41/43 octave 1.943064 1150.000 23/24 octave 1.948365 1154.717 51/53 octave 1.949309 1155.556 52/54 octave 1.955777 1161.290 30/31 octave 1.961860 1166.667 70/72 octave 1.968019 1172.093 42/43 octave 1.974014 1177.358 52/53 octave 1.974492 1177.778 53/54 octave 1.980838 1183.333 71/72 octave 2.000000 1200.000 2:1 ratio