These clues are sometimes the only way you can start a puzzle, so these combinations are worth remembering.
The numbers shown in green are those where there is only one combination. For example there is only one way to make 17 with two digits: 8 + 9.
2 Digit Combinations
| 3 | 12
|
| 4 | 13
|
| 5 | 14
23
|
| 6 | 15
24
|
| 7 | 16
25
34
|
| 8 | 17
26
35
|
| 9 | 18
27
36
45
|
| 10 | 19
28
37
46
|
| 11 | 29
38
47
56
|
| 12 | 39
48
57
|
| 13 | 49
58
67
|
| 14 | 59
68
|
| 15 | 69
78
|
| 16 | 79
|
| 17 | 89
|
3 Digit Combinations
| 6 | 123
|
| 7 | 124
|
| 8 | 125
134
|
| 9 | 126
135
234
|
| 10 | 127
136
145
235
|
| 11 | 128
137
146
236
245
|
| 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
|
| 19 | 289
379
469
478
568
|
| 20 | 389
479
569
578
|
| 21 | 489
579
678
|
| 22 | 589
679
|
| 23 | 689
|
| 24 | 789
|
4 Digit Combinations
| 10 | 1234
|
| 11 | 1235
|
| 12 | 1236
1245
|
| 13 | 1237
1246
1345
|
| 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
|
| 27 | 3789
4689
5679
|
| 28 | 4789
5689
|
| 29 | 5789
|
| 30 | 6789
|
5 Digit Combinations
| 15 | 12345
|
| 16 | 12346
|
| 17 | 12347
12356
|
| 18 | 12348
12357
12456
|
| 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
|
| 32 | 26789
35789
45689
|
| 33 | 36789
45789
|
| 34 | 46789
|
| 35 | 56789
|
6 Digit Combinations
| 21 | 123456
|
| 22 | 123457
|
| 23 | 123458
123467
|
| 24 | 123459
123468
123567
|
| 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
|
| 36 | 156789
246789
345789
|
| 37 | 256789
346789
|
| 38 | 356789
|
| 39 | 456789
|
7 Digit Combinations
| 28 | 1234567
|
| 29 | 1234568
|
| 30 | 1234569
1234578
|
| 31 | 1234579
1234678
|
| 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
|
| 39 | 1356789
2346789
|
| 40 | 1456789
2356789
|
| 41 | 2456789
|
| 42 | 3456789
|
8 Digit Combinations
| 36 | 12345678
|
| 37 | 12345679
|
| 38 | 12345689
|
| 39 | 12345789
|
| 40 | 12346789
|
| 41 | 12356789
|
| 42 | 12456789
|
| 43 | 13456789
|
| 44 | 23456789
|
9 Digit Combinations
| 45 | 123456789
|
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