Compare 1242 vs 1249
| Property | 1242 | 1249 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 21 × 33 × 231 | 12491 |
| Prime factorization | 2 × 3 × 3 × 3 × 23 | 1249 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242 | 1, 1249 |
| Number of properties | 0 | 5 |
| Emirps | 58th | |
| Isolated primes | 121st | |
| Lucky primes | 53rd | |
| Primes | 204th | |
| Pythagorean primes | 101st | |
| Roman numberals | MCCXLII | MCCXLIX |
| Base 2 | 100110110102 | 100111000012 |
| Base 3 | 12010003 | 12010213 |
| Base 4 | 1031224 | 1032014 |
| Base 5 | 144325 | 144445 |
| Base 6 | 54306 | 54416 |
| Base 7 | 34237 | 34337 |
| Base 8 | 23328 | 23418 |
| Base 9 | 16309 | 16379 |
| Base 10 | 124210 | 124910 |
| Base 11 | a2a11 | a3611 |
| Base 12 | 87612 | 88112 |
| Base 13 | 74713 | 75113 |
| Base 14 | 64a14 | 65314 |
| Base 15 | 57c15 | 58415 |
| Base 16 | 4da16 | 4e116 |