Compare 1242 vs 1243
| Property | 1242 | 1243 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 33 × 231 | 111 × 1131 |
| Prime factorization | 2 × 3 × 3 × 3 × 23 | 11 × 113 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242 | 1, 11, 113, 1243 |
| Number of properties | 0 | 1 |
| Semiprimes | 366th | |
| Roman numberals | MCCXLII | MCCXLIII |
| Base 2 | 100110110102 | 100110110112 |
| Base 3 | 12010003 | 12010013 |
| Base 4 | 1031224 | 1031234 |
| Base 5 | 144325 | 144335 |
| Base 6 | 54306 | 54316 |
| Base 7 | 34237 | 34247 |
| Base 8 | 23328 | 23338 |
| Base 9 | 16309 | 16319 |
| Base 10 | 124210 | 124310 |
| Base 11 | a2a11 | a3011 |
| Base 12 | 87612 | 87712 |
| Base 13 | 74713 | 74813 |
| Base 14 | 64a14 | 64b14 |
| Base 15 | 57c15 | 57d15 |
| Base 16 | 4da16 | 4db16 |