Compare 1237 vs 1242
| Property | 1237 | 1242 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 12371 | 21 × 33 × 231 |
| Prime factorization | 1237 | 2 × 3 × 3 × 3 × 23 |
| Divisors count | 2 | 16 |
| Divisors | 1, 1237 | 1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242 |
| Number of properties | 7 | 0 |
| Additive primes | 109th | |
| Emirps | 57th | |
| Harmonic primes | 71st | |
| Isolated primes | 120th | |
| Primes | 203rd | |
| Pythagorean primes | 100th | |
| Sexy primes (2nd member) | 88th | |
| Roman numberals | MCCXXXVII | MCCXLII |
| Base 2 | 100110101012 | 100110110102 |
| Base 3 | 12002113 | 12010003 |
| Base 4 | 1031114 | 1031224 |
| Base 5 | 144225 | 144325 |
| Base 6 | 54216 | 54306 |
| Base 7 | 34157 | 34237 |
| Base 8 | 23258 | 23328 |
| Base 9 | 16249 | 16309 |
| Base 10 | 123710 | 124210 |
| Base 11 | a2511 | a2a11 |
| Base 12 | 87112 | 87612 |
| Base 13 | 74213 | 74713 |
| Base 14 | 64514 | 64a14 |
| Base 15 | 57715 | 57c15 |
| Base 16 | 4d516 | 4da16 |