Cube of numbers 1 to 20
Number
| Cube | Solution |
| 1 | 13 = 1 x 1 x 1 | 1 |
| 2 | 23 = 2 x 2 x 2 | 8 |
| 3 | 33 = 3 x 3 x 3 | 27 |
| 4 | 43 = 4 x 4 x 4 | 64 |
| 5 | 53 = 5 x 5 x 5 | 125 |
| 6 | 63 = 6 x 6 x 6 | 216 |
| 7 | 73 = 7 x 7 x 7 | 343 |
| 8 | 83 = 8 x 8 x 8 | 512 |
| 9 | 93 = 9 x 9 x 9 | 729 |
| 10 | 103 = 10 x 10 x 10 | 1000 |
| 11 | 113 = 11 x 11 x 11 | 1331 |
| 12 | 123 = 12 x 12 x 12 | 1728 |
| 13 | 133 = 13 x 13 x 13 | 2197 |
| 14 | 143 = 14 x 14 x 14 | 2744 |
| 15 | 153 = 15 x 15 x 15 | 3375 |
| 16 | 163 = 16 x 16 x 16 | 4096 |
| 17 | 173 = 17 x 17 x 17 | 4913 |
| 18 | 183 = 18 x 18 x 18 | 5832 |
| 19 | 193 = 19 x 19 x 19 | 6859 |
| 20 | 203 = 20 x 20 x 20 | 8000 |