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 |
|---|---|---|
| 601 | 24434555 | 0 |
| 602 | 38434555 | 0 |
| 603 | 01444555 | 0 |
| 604 | 29384655 | 0 |
| 605 | 04144755 | 0 |
| 606 | 05144755 | 0 |
| 607 | 04274755 | 0 |
| 608 | 04284755 | 0 |
| 609 | 07294755 | 0 |
| 610 | 16304755 | 0 |
| 611 | 04164855 | 0 |
| 612 | 07244855 | 0 |
| 613 | 19254855 | 0 |
| 614 | 05364855 | 0 |
| 615 | 33434855 | 0 |
| 616 | 02074955 | 0 |
| 617 | 09294955 | 0 |
| 618 | 23324955 | 0 |
| 619 | 25324955 | 0 |
| 620 | 38394955 | 0 |
| 621 | 10404955 | 0 |
| 622 | 08454955 | 0 |
| 623 | 44474955 | 0 |
| 624 | 08135155 | 0 |
| 625 | 08485155 | 0 |
| 626 | 25375255 | 0 |
| 627 | 20455255 | 0 |
| 628 | 40425455 | 0 |
| 629 | 06141656 | 0 |
| 630 | 05101756 | 0 |
| 631 | 14162056 | 0 |
| 632 | 17212856 | 0 |
| 633 | 16172956 | 0 |
| 634 | 06243156 | 0 |
| 635 | 01173356 | 0 |
| 636 | 17283356 | 0 |
| 637 | 11243556 | 0 |
| 638 | 12223756 | 0 |
| 639 | 14223756 | 0 |
| 640 | 03293856 | 0 |
| 641 | 15363856 | 0 |
| 642 | 05173956 | 0 |
| 643 | 28303956 | 0 |
| 644 | 17383956 | 0 |
| 645 | 20234156 | 0 |
| 646 | 03434756 | 0 |
| 647 | 23434756 | 0 |
| 648 | 20334856 | 0 |
| 649 | 07224956 | 0 |
| 650 | 14155156 | 0 |
| 651 | 01385156 | 0 |
| 652 | 15395156 | 0 |
| 653 | 21385356 | 0 |
| 654 | 23405356 | 0 |
| 655 | 17195456 | 0 |
| 656 | 17275556 | 0 |
| 657 | 23315556 | 0 |
| 658 | 03385556 | 0 |
| 659 | 04061257 | 0 |
| 660 | 01132357 | 0 |
| 661 | 04222657 | 0 |
| 662 | 04262857 | 0 |
| 663 | 17202957 | 0 |
| 664 | 05203057 | 0 |
| 665 | 10243157 | 0 |
| 666 | 04163257 | 0 |
| 667 | 14153757 | 0 |
| 668 | 01263857 | 0 |
| 669 | 19304157 | 0 |
| 670 | 05284257 | 0 |
| 671 | 23284257 | 0 |
| 672 | 23414257 | 0 |
| 673 | 30414257 | 0 |
| 674 | 04054357 | 0 |
| 675 | 18364357 | 0 |
| 676 | 33394357 | 0 |
| 677 | 17434557 | 0 |
| 678 | 07144657 | 0 |
| 679 | 09244657 | 0 |
| 680 | 04324757 | 0 |
| 681 | 34424857 | 0 |
| 682 | 15325057 | 0 |
| 683 | 20465057 | 0 |
| 684 | 05465157 | 0 |
| 685 | 01515257 | 0 |
| 686 | 37385457 | 0 |
| 687 | 37475457 | 0 |
| 688 | 01385657 | 0 |
| 689 | 06455657 | 0 |
| 690 | 16455657 | 0 |
| 691 | 06465657 | 0 |
| 692 | 05131858 | 0 |
| 693 | 03171858 | 0 |
| 694 | 06071958 | 0 |
| 695 | 07101958 | 0 |
| 696 | 04182058 | 0 |
| 697 | 05132158 | 0 |
| 698 | 03072558 | 0 |
| 699 | 10112658 | 0 |
| 700 | 07222658 | 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 |
|---|---|---|
| 2021036 | 2021-02-05 | 0310111314151819303442444750525961646773 |
| 2021037 | 2021-02-06 | 0304050711132227314446475963666769767879 |
| 2021038 | 2021-02-07 | 0115192930333537384445475057596168747576 |
| 2021039 | 2021-02-08 | 0609101519203043464748505255586072737778 |
| 2021040 | 2021-02-19 | 0105141518272931324344474960717273777880 |
| 2021041 | 2021-02-20 | 0911151618192627294347485051525764677174 |
| 2021042 | 2021-02-21 | 0105091619272831363749515357606264656977 |
| 2021043 | 2021-02-22 | 0102030608102930363943444650535455616275 |
| 2021044 | 2021-02-23 | 0709161819222439424547525659626364727376 |
| 2021045 | 2021-02-24 | 0203121419273435364748515254555963646676 |
| 2021046 | 2021-02-25 | 0305141621252733343642515258627174757980 |
| 2021047 | 2021-02-26 | 0205060715162124323541475257617071727379 |
| 2021048 | 2021-02-27 | 0512202228333637495052535961636669707475 |
| 2021049 | 2021-02-28 | 0102041022232433353947505456626774777879 |
| 2021050 | 2021-03-01 | 0104070915212425303544495052545765697880 |
| 2021051 | 2021-03-02 | 0306071013152328354548525457676875767879 |
| 2021052 | 2021-03-03 | 0811121921273032384043444750515253606676 |
| 2021053 | 2021-03-04 | 0811131523262734394245496568717273747577 |
| 2021054 | 2021-03-05 | 0607121323303336394445464856596267727879 |
| 2021055 | 2021-03-06 | 0712171820242637384445485051576263646578 |
| 2021056 | 2021-03-07 | 0607151722232730384046475053556170717280 |
| 2021057 | 2021-03-08 | 0508101114152023293334475359606667717576 |
| 2021058 | 2021-03-09 | 0204222526283339434446525556666768737577 |
| 2021059 | 2021-03-10 | 0102091113172425303741546063657172747778 |
| 2021060 | 2021-03-11 | 0103171823252829333644525355596061657678 |
| 2021061 | 2021-03-12 | 0607091011141520212440414350515861657379 |
| 2021062 | 2021-03-13 | 0408091012172428313240414549526774757779 |
| 2021063 | 2021-03-14 | 0205101123272935424751535759636567717378 |
| 2021064 | 2021-03-15 | 0509111215192730343840434547525862707275 |
| 2021065 | 2021-03-16 | 0306091017182122343637394652545963647677 |
| 2021066 | 2021-03-17 | 0405081121303436394450525960676871747678 |
| 2021067 | 2021-03-18 | 0105101223262933343637434445535463646777 |
| 2021068 | 2021-03-19 | 0207081619212732434648496164666874777980 |
| 2021069 | 2021-03-20 | 0104142526303132333438414753566166717478 |
| 2021070 | 2021-03-21 | 0203121417192631333741435153555863657680 |
| 2021071 | 2021-03-22 | 0106121417193233404347505157585961627479 |
| 2021072 | 2021-03-23 | 0204111215161719202732343540424344525559 |
| 2021073 | 2021-03-24 | 0409111217182226272831333942484951606280 |
| 2021074 | 2021-03-25 | 0405141921222336404550515759626668747578 |
| 2021075 | 2021-03-26 | 0915192728313334364249545659606364697279 |
| 2021076 | 2021-03-27 | 0408101214192022233536395153555859637475 |
| 2021077 | 2021-03-28 | 0106131821232730353638404552535562636669 |
| 2021078 | 2021-03-29 | 0714202224293035363940424445555657597175 |
| 2021079 | 2021-03-30 | 0203040609121415182229343537405354586672 |
| 2021080 | 2021-03-31 | 0508111719252729374044464854596364657779 |
| 2021081 | 2021-04-01 | 0203080913212729333642464954576063666977 |
| 2021082 | 2021-04-02 | 0207101316192438395152565761646668697576 |
| 2021083 | 2021-04-03 | 0721222526283238424351555662636571737479 |
| 2021084 | 2021-04-04 | 0506071013202326283049515456606167747579 |
| 2021085 | 2021-04-05 | 0409111217253034353645515758647273747576 |