一、总览
历史期数
2,097
每期开出号码
20 个
号码范围
1 - 80
四数组合总数 C(80,4)
1,581,580
历史中出现过的组合
1,579,072
从未出现过的组合
2,508
出现率
99.841%
单组合最多出现次数
24 次
统计口径：把 1-80 的全部 C(80,4)=1,581,580 种 4 数组合逐一编号（colex 序），遍历每期开出的 C(20,4) 种组合累加。出现 0 次即「从未出现」。
二、出现次数分布
| 出现次数 | 组合数量 | 占比 | 分布 |
|---|---|---|---|
| 0 次（从未出现） | 2,508 | 0.1586% | |
| 1 次 | 16,567 | 1.0475% | |
| 2 次 | 52,916 | 3.3458% | |
| 3 次 | 113,275 | 7.1621% | |
| 4 次 | 181,795 | 11.4945% | |
| 5 次 | 233,766 | 14.7805% | |
| 6 次 | 250,553 | 15.8419% | |
| 7 次 | 229,989 | 14.5417% | |
| 8 次 | 184,624 | 11.6734% | |
| 9 次 | 131,941 | 8.3424% | |
| 10 次 | 84,812 | 5.3625% | |
| 11 次 | 49,276 | 3.1156% | |
| 12 次 | 26,485 | 1.6746% | |
| 13 次 | 13,192 | 0.8341% | |
| 14 次 | 5,909 | 0.3736% | |
| 15 次 | 2,487 | 0.1572% | |
| 16 次 | 979 | 0.0619% | |
| 17 次 | 321 | 0.0203% | |
| 18 次 | 129 | 0.0082% | |
| 19 次 | 41 | 0.0026% | |
| 20 次 | 14 | 0.0009% | |
| 21 次 | 0 | 0.0000% | |
| 22 次 | 0 | 0.0000% | |
| 23 次 | 0 | 0.0000% | |
| 24 次 | 1 | 0.0001% |
三、组合查询
输入 4 个不同的号码后点击查询。
四、从未出现过的四数组合
| 序号 | 四数组合 | 出现次数 |
|---|---|---|
| 801 | 11293260 | 0 |
| 802 | 24293560 | 0 |
| 803 | 08233660 | 0 |
| 804 | 20293660 | 0 |
| 805 | 22293760 | 0 |
| 806 | 18363960 | 0 |
| 807 | 04264060 | 0 |
| 808 | 20294060 | 0 |
| 809 | 26324060 | 0 |
| 810 | 23354060 | 0 |
| 811 | 24284260 | 0 |
| 812 | 09304260 | 0 |
| 813 | 22374260 | 0 |
| 814 | 06204460 | 0 |
| 815 | 22374460 | 0 |
| 816 | 28314560 | 0 |
| 817 | 02364560 | 0 |
| 818 | 18384560 | 0 |
| 819 | 09424560 | 0 |
| 820 | 18424560 | 0 |
| 821 | 18434560 | 0 |
| 822 | 35414760 | 0 |
| 823 | 25264960 | 0 |
| 824 | 26364960 | 0 |
| 825 | 13404960 | 0 |
| 826 | 06295160 | 0 |
| 827 | 27355160 | 0 |
| 828 | 16445160 | 0 |
| 829 | 05485260 | 0 |
| 830 | 06375360 | 0 |
| 831 | 26375360 | 0 |
| 832 | 29375360 | 0 |
| 833 | 29395360 | 0 |
| 834 | 31325460 | 0 |
| 835 | 35375460 | 0 |
| 836 | 04065560 | 0 |
| 837 | 07125560 | 0 |
| 838 | 07225560 | 0 |
| 839 | 17225560 | 0 |
| 840 | 07395560 | 0 |
| 841 | 40455560 | 0 |
| 842 | 40475560 | 0 |
| 843 | 41425760 | 0 |
| 844 | 07355860 | 0 |
| 845 | 18385860 | 0 |
| 846 | 36435860 | 0 |
| 847 | 22265960 | 0 |
| 848 | 23385960 | 0 |
| 849 | 02102261 | 0 |
| 850 | 02192361 | 0 |
| 851 | 03092461 | 0 |
| 852 | 06192761 | 0 |
| 853 | 19232861 | 0 |
| 854 | 20222961 | 0 |
| 855 | 22252961 | 0 |
| 856 | 20233161 | 0 |
| 857 | 15233261 | 0 |
| 858 | 08313261 | 0 |
| 859 | 24313661 | 0 |
| 860 | 22313761 | 0 |
| 861 | 20223961 | 0 |
| 862 | 28324161 | 0 |
| 863 | 20334161 | 0 |
| 864 | 23414361 | 0 |
| 865 | 18424561 | 0 |
| 866 | 19214761 | 0 |
| 867 | 19364761 | 0 |
| 868 | 13194861 | 0 |
| 869 | 13294861 | 0 |
| 870 | 11334861 | 0 |
| 871 | 24364861 | 0 |
| 872 | 37384861 | 0 |
| 873 | 03104961 | 0 |
| 874 | 10294961 | 0 |
| 875 | 22484961 | 0 |
| 876 | 19215061 | 0 |
| 877 | 19235161 | 0 |
| 878 | 05395161 | 0 |
| 879 | 25425161 | 0 |
| 880 | 20245361 | 0 |
| 881 | 25405361 | 0 |
| 882 | 48495361 | 0 |
| 883 | 25505361 | 0 |
| 884 | 10195561 | 0 |
| 885 | 15415561 | 0 |
| 886 | 43455561 | 0 |
| 887 | 38485561 | 0 |
| 888 | 28415661 | 0 |
| 889 | 38485661 | 0 |
| 890 | 41545661 | 0 |
| 891 | 38485761 | 0 |
| 892 | 46545761 | 0 |
| 893 | 07456061 | 0 |
| 894 | 34456061 | 0 |
| 895 | 35516061 | 0 |
| 896 | 38556061 | 0 |
| 897 | 02070962 | 0 |
| 898 | 06243162 | 0 |
| 899 | 09173562 | 0 |
| 900 | 11173562 | 0 |
每行是一组在全部历史开奖中都未出现过的组合。
五、出现次数最多的组合 Top 50
| 排名 | 组合 | 出现次数 |
|---|---|---|
| 1 | 15284870 | 24 |
| 2 | 03193880 | 20 |
| 3 | 03061373 | 20 |
| 4 | 03144648 | 20 |
| 5 | 14626874 | 20 |
| 6 | 01104754 | 20 |
| 7 | 12455164 | 20 |
| 8 | 19264153 | 20 |
| 9 | 11387173 | 20 |
| 10 | 27647378 | 20 |
| 11 | 11166162 | 20 |
| 12 | 02697378 | 20 |
| 13 | 02104859 | 20 |
| 14 | 01216369 | 20 |
| 15 | 21527071 | 20 |
| 16 | 10193253 | 19 |
| 17 | 08596162 | 19 |
| 18 | 02061758 | 19 |
| 19 | 02233745 | 19 |
| 20 | 15546077 | 19 |
| 21 | 14235873 | 19 |
| 22 | 52647178 | 19 |
| 23 | 17275369 | 19 |
| 24 | 08324174 | 19 |
| 25 | 10163554 | 19 |
| 26 | 18596673 | 19 |
| 27 | 13142370 | 19 |
| 28 | 02245079 | 19 |
| 29 | 27547778 | 19 |
| 30 | 15254563 | 19 |
| 31 | 13142848 | 19 |
| 32 | 11166171 | 19 |
| 33 | 14587174 | 19 |
| 34 | 40414853 | 19 |
| 35 | 03273651 | 19 |
| 36 | 11556569 | 19 |
| 37 | 01444978 | 19 |
| 38 | 08596366 | 19 |
| 39 | 01435354 | 19 |
| 40 | 08525666 | 19 |
| 41 | 12505367 | 19 |
| 42 | 11386271 | 19 |
| 43 | 11303254 | 19 |
| 44 | 09313664 | 19 |
| 45 | 08355963 | 19 |
| 46 | 06405758 | 19 |
| 47 | 05091956 | 19 |
| 48 | 03134773 | 19 |
| 49 | 06084758 | 19 |
| 50 | 06214952 | 19 |
六、开奖数据（共 2,097 期）
| 期号 | 开奖日期 | 开奖号码 |
|---|---|---|
| 2021086 | 2021-04-06 | 0103050915192127334047515356575859607071 |
| 2021087 | 2021-04-07 | 0103091314172030313637414647485064687077 |
| 2021088 | 2021-04-08 | 0312151821263839404244525965667174757678 |
| 2021089 | 2021-04-09 | 0206131517202330394344455253565961667476 |
| 2021090 | 2021-04-10 | 0709101415161721243943445055576163667580 |
| 2021091 | 2021-04-11 | 0103061213202122263947485155565766687980 |
| 2021092 | 2021-04-12 | 0304080918233133343649555759616364667579 |
| 2021093 | 2021-04-13 | 0509151619202225262735434560656869707276 |
| 2021094 | 2021-04-14 | 0103040507122124263642545556586165697279 |
| 2021095 | 2021-04-15 | 0104060715222428353739465160656770747577 |
| 2021096 | 2021-04-16 | 0913141722262832364146485156606367707677 |
| 2021097 | 2021-04-17 | 0207081519262737384349575960666768697374 |
| 2021098 | 2021-04-18 | 0102041213162028313641424651606162697678 |
| 2021099 | 2021-04-19 | 0308091016212730333435384346495054606264 |
| 2021100 | 2021-04-20 | 0305092028323437434445505460677072787980 |
| 2021101 | 2021-04-21 | 0203060910131923344044454854565965677077 |
| 2021102 | 2021-04-22 | 0408101214272831323639454650516364667478 |
| 2021103 | 2021-04-23 | 0217192022232532334042474958596667777879 |
| 2021104 | 2021-04-24 | 0107151621243840414549555659636770747678 |
| 2021105 | 2021-04-25 | 0809121315222324294651596162656667727678 |
| 2021106 | 2021-04-26 | 0710111213161821293940434751565968727579 |
| 2021107 | 2021-04-27 | 0305131718223031374350535455567275787980 |
| 2021108 | 2021-04-28 | 0102041216172126353840495253556263727779 |
| 2021109 | 2021-04-29 | 0109121518232732333842434446475255576263 |
| 2021110 | 2021-04-30 | 0107080912142334354348535456676971777880 |
| 2021111 | 2021-05-01 | 0311121522233142454850535657606367737677 |
| 2021112 | 2021-05-02 | 1213182325303141444549505455575860677477 |
| 2021113 | 2021-05-03 | 0409121516232526293047484951526371727380 |
| 2021114 | 2021-05-04 | 0208101718202931353740434551555867737779 |
| 2021115 | 2021-05-05 | 0102050710142127333638414452545659667071 |
| 2021116 | 2021-05-06 | 0305101519232728323442434849535865677377 |
| 2021117 | 2021-05-07 | 0102040608091314232728293033394661707379 |
| 2021118 | 2021-05-08 | 0307101719242627283235394146475662677576 |
| 2021119 | 2021-05-09 | 0409182021283032394041464853556072737477 |
| 2021120 | 2021-05-10 | 0206091317222533383942454850525961717879 |
| 2021121 | 2021-05-11 | 0608091011132325273236536367687374757879 |
| 2021122 | 2021-05-12 | 0105061112131923353749596064676869727880 |
| 2021123 | 2021-05-13 | 0204050910111415262830324850516163697578 |
| 2021124 | 2021-05-14 | 0206121521283135364142444757687375777879 |
| 2021125 | 2021-05-15 | 0509111213141819223540434449616369777880 |
| 2021126 | 2021-05-16 | 0205192425262933394042434546565961697779 |
| 2021127 | 2021-05-17 | 0205071114151620232425303346516264656973 |
| 2021128 | 2021-05-18 | 0102071219212235404750515556626368757980 |
| 2021129 | 2021-05-19 | 0812131415162730364453555658606162647375 |
| 2021130 | 2021-05-20 | 0114212224283741434445495354616369737480 |
| 2021131 | 2021-05-21 | 0405091924313436424347566467707176777880 |
| 2021132 | 2021-05-22 | 0107091011131417192022304151525360636770 |
| 2021133 | 2021-05-23 | 0304101427293236384445464748505363717477 |
| 2021134 | 2021-05-24 | 0105121321223132394448555657606162667677 |
| 2021135 | 2021-05-25 | 0405060709123233404243475059616466676979 |