Compare 1242 vs 1247
| Property | 1242 | 1247 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 21 × 33 × 231 | 291 × 431 |
| Prime factorization | 2 × 3 × 3 × 3 × 23 | 29 × 43 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242 | 1, 29, 43, 1247 |
| Number of properties | 0 | 1 |
| Semiprimes | 367th | |
| Roman numberals | MCCXLII | MCCXLVII |
| Base 2 | 100110110102 | 100110111112 |
| Base 3 | 12010003 | 12010123 |
| Base 4 | 1031224 | 1031334 |
| Base 5 | 144325 | 144425 |
| Base 6 | 54306 | 54356 |
| Base 7 | 34237 | 34317 |
| Base 8 | 23328 | 23378 |
| Base 9 | 16309 | 16359 |
| Base 10 | 124210 | 124710 |
| Base 11 | a2a11 | a3411 |
| Base 12 | 87612 | 87b12 |
| Base 13 | 74713 | 74c13 |
| Base 14 | 64a14 | 65114 |
| Base 15 | 57c15 | 58215 |
| Base 16 | 4da16 | 4df16 |