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 |
|---|---|---|
| - | 06142731 | 0 |
| - | 17222940 | 0 |
| - | 35364146 | 0 |
| - | 18254849 | 0 |
| - | 14305254 | 0 |
| - | 20464958 | 0 |
| - | 35365062 | 0 |
| - | 03053464 | 0 |
| - | 34406569 | 0 |
| - | 25576971 | 0 |
| - | 21535972 | 0 |
| - | 27475573 | 0 |
| - | 02315774 | 0 |
| - | 02446575 | 0 |
| - | 14384276 | 0 |
| - | 04224576 | 0 |
| - | 38487576 | 0 |
| - | 04667677 | 0 |
| - | 16435678 | 0 |
| - | 24396879 | 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 |
|---|---|---|
| 2021186 | 2021-07-15 | 0306131415172122242833364045465960626976 |
| 2021187 | 2021-07-16 | 0610111224273940424344464751535457637374 |
| 2021188 | 2021-07-17 | 0306091214192129323738646770717375777980 |
| 2021189 | 2021-07-18 | 0506101116171820273334404144505565707579 |
| 2021190 | 2021-07-19 | 0408192427303542434450525356576668697071 |
| 2021191 | 2021-07-20 | 0709111519212223303437464857616367687275 |
| 2021192 | 2021-07-21 | 0105071114152126343744474853636465667278 |
| 2021193 | 2021-07-22 | 0204060916222429384142434647485253637175 |
| 2021194 | 2021-07-23 | 0102030817212325293135374345516265737779 |
| 2021195 | 2021-07-24 | 0405111314252728333839445457586365707174 |
| 2021196 | 2021-07-25 | 0910171820232628344050515559606466747879 |
| 2021197 | 2021-07-26 | 0205101116202228293132334146495051567577 |
| 2021198 | 2021-07-27 | 0103040813293132353943545556626566727880 |
| 2021199 | 2021-07-28 | 0523252729353943464850515455585965666770 |
| 2021200 | 2021-07-29 | 0102101416171925323435425362646869707879 |
| 2021201 | 2021-07-30 | 0810121322243235394248495556606670757678 |
| 2021202 | 2021-07-31 | 0812243033344042484951546364656667727578 |
| 2021203 | 2021-08-01 | 0206132021374648495253566264666873777879 |
| 2021204 | 2021-08-02 | 0309101617192832363942525356646570747576 |
| 2021205 | 2021-08-03 | 0307151824262730434648525758626872737679 |
| 2021206 | 2021-08-04 | 0308121418192127313335384045526167767880 |
| 2021207 | 2021-08-05 | 0103141617192837394043464851565759606172 |
| 2021208 | 2021-08-06 | 0209161925263036374345474849545663747679 |
| 2021209 | 2021-08-07 | 0203091011141626313240465153556771757778 |
| 2021210 | 2021-08-08 | 0313152022242628303134363843455263647677 |
| 2021211 | 2021-08-09 | 0409132728293134383948525762666871747680 |
| 2021212 | 2021-08-10 | 0405070911141824404748525658616369717379 |
| 2021213 | 2021-08-11 | 0809131516202426304143454951546063667377 |
| 2021214 | 2021-08-12 | 0104111415162021223337434455616271757880 |
| 2021215 | 2021-08-13 | 0203101113192324273033475052565969727778 |
| 2021216 | 2021-08-14 | 0611182023262729323437414243445558596779 |
| 2021217 | 2021-08-15 | 0105081215181927282930314146515569727375 |
| 2021218 | 2021-08-16 | 0306070919263541454649505159616374777880 |
| 2021219 | 2021-08-17 | 0103111630323335363846485053596066707177 |
| 2021220 | 2021-08-18 | 0203082123344244474849515458717274777980 |
| 2021221 | 2021-08-19 | 0407091013162021222433374145484959606569 |
| 2021222 | 2021-08-20 | 0910121829353740434454575962646769707476 |
| 2021223 | 2021-08-21 | 0206081011172025272939444649515455727879 |
| 2021224 | 2021-08-22 | 0607131922252729313945495257606468697880 |
| 2021225 | 2021-08-23 | 0611141725263036374153626465666768707376 |
| 2021226 | 2021-08-24 | 0709151617212225353738404548495565667275 |
| 2021227 | 2021-08-25 | 0109172123242527364446626468717375777879 |
| 2021228 | 2021-08-26 | 0715161718252731353839414447485357656777 |
| 2021229 | 2021-08-27 | 0506141523253536454651526162636466717275 |
| 2021230 | 2021-08-28 | 0304172729344249505253565764656972747780 |
| 2021231 | 2021-08-29 | 0105060910111214151623334250545869717380 |
| 2021232 | 2021-08-30 | 0709111417262829313435373956606567707277 |
| 2021233 | 2021-08-31 | 0304050814232629324850555762646568697074 |
| 2021234 | 2021-09-01 | 0103080911121820323435434749637072747680 |
| 2021235 | 2021-09-02 | 0205061219202628333951586265707174767778 |