Number Combinations
The numbers shown in green are those where there is only one combination (e.g. 17 - 89, means that 17 = 8 + 9). These clues are sometimes the only way you can start a puzzle, so these combinations are worth remembering.
 2 Digit Combinations

 3 Digit Combinations

12 |
129 |
138 |
147 |
156 |
237 |
246 |
345 |
13 |
139 |
148 |
157 |
238 |
247 |
256 |
346 |
14 |
149 |
158 |
167 |
239 |
248 |
257 |
347 |
356 |
15 |
159 |
168 |
249 |
258 |
267 |
348 |
357 |
456 |
16 |
169 |
178 |
259 |
268 |
349 |
358 |
367 |
457 |
17 |
179 |
269 |
278 |
359 |
368 |
458 |
467 |
18 |
189 |
279 |
369 |
378 |
459 |
468 |
567 |
 4 Digit Combinations

14 |
1238 |
1247 |
1256 |
1346 |
2345 |
15 |
1239 |
1248 |
1257 |
1347 |
1356 |
2346 |
16 |
1249 |
1258 |
1267 |
1348 |
1357 |
1456 |
2347 |
2356 |
17 |
1259 |
1268 |
1349 |
1358 |
1367 |
1457 |
2348 |
2357 |
2456 |
18 |
1269 |
1278 |
1359 |
1368 |
1458 |
1467 |
2349 |
2358 |
2367 |
2457 |
3456 |
19 |
1279 |
1369 |
1378 |
1459 |
1468 |
1567 |
2359 |
2368 |
2458 |
2467 |
3457 |
20 |
1289 |
1379 |
1469 |
1478 |
1568 |
2369 |
2378 |
2459 |
2468 |
2567 |
3458 |
3467 |
21 |
1389 |
1479 |
1569 |
1578 |
2379 |
2469 |
2478 |
2568 |
3459 |
3468 |
3567 |
22 |
1489 |
1579 |
1678 |
2389 |
2479 |
2569 |
2578 |
3469 |
3478 |
3568 |
4567 |
23 |
1589 |
1679 |
2489 |
2579 |
2678 |
3479 |
3569 |
3578 |
4568 |
24 |
1689 |
2589 |
2679 |
3489 |
3579 |
3678 |
4569 |
4578 |
25 |
1789 |
2689 |
3589 |
3679 |
4579 |
4678 |
26 |
2789 |
3689 |
4589 |
4679 |
5678 |
 5 Digit Combinations

19 |
12349 |
12358 |
12367 |
12457 |
13456 |
20 |
12359 |
12368 |
12458 |
12467 |
13457 |
23456 |
21 |
12369 |
12378 |
12459 |
12468 |
12567 |
13458 |
13467 |
23457 |
22 |
12379 |
12469 |
12478 |
12568 |
13459 |
13468 |
13567 |
23458 |
23467 |
23 |
12389 |
12479 |
12569 |
12578 |
13469 |
13478 |
13568 |
14567 |
23459 |
23468 |
23567 |
24 |
12489 |
12579 |
12678 |
13479 |
13569 |
13578 |
14568 |
23469 |
23478 |
23568 |
24567 |
25 |
12589 |
12679 |
13489 |
13579 |
13678 |
14569 |
14578 |
23479 |
23569 |
23578 |
24568 |
34567 |
26 |
12689 |
13589 |
13679 |
14579 |
14678 |
23489 |
23579 |
23678 |
24569 |
24578 |
34568 |
27 |
12789 |
13689 |
14589 |
14679 |
15678 |
23589 |
23679 |
24579 |
24678 |
34569 |
34578 |
28 |
13789 |
14689 |
15679 |
23689 |
24589 |
24679 |
25678 |
34579 |
34678 |
29 |
14789 |
15689 |
23789 |
24689 |
25679 |
34589 |
34679 |
35678 |
30 |
15789 |
24789 |
25689 |
34689 |
35679 |
45678 |
31 |
16789 |
25789 |
34789 |
35689 |
45679 |
 6 Digit Combinations

25 |
123469 |
123478 |
123568 |
124567 |
26 |
123479 |
123569 |
123578 |
124568 |
134567 |
27 |
123489 |
123579 |
123678 |
124569 |
124578 |
134568 |
234567 |
28 |
123589 |
123679 |
124579 |
124678 |
134569 |
134578 |
234568 |
29 |
123689 |
124589 |
124679 |
125678 |
134579 |
134678 |
234569 |
234578 |
30 |
123789 |
124689 |
125679 |
134589 |
134679 |
135678 |
234579 |
234678 |
31 |
124789 |
125689 |
134689 |
135679 |
145678 |
234589 |
234679 |
235678 |
32 |
125789 |
134789 |
135689 |
145679 |
234689 |
235679 |
245678 |
33 |
126789 |
135789 |
145689 |
234789 |
235689 |
245679 |
345678 |
34 |
136789 |
145789 |
235789 |
245689 |
345679 |
35 |
146789 |
236789 |
245789 |
345689 |
 7 Digit Combinations

32 |
1234589 |
1234679 |
1235678 |
33 |
1234689 |
1235679 |
1245678 |
34 |
1234789 |
1235689 |
1245679 |
1345678 |
35 |
1235789 |
1245689 |
1345679 |
2345678 |
36 |
1236789 |
1245789 |
1345689 |
2345679 |
37 |
1246789 |
1345789 |
2345689 |
38 |
1256789 |
1346789 |
2345789 |
 8 Digit Combinations

 9 Digit Combinations

|