Compare 1549 vs 1558
| Property | 1549 | 1558 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 15491 | 21 × 191 × 411 |
| Prime factorization | 1549 | 2 × 19 × 41 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1549 | 1, 2, 19, 38, 41, 82, 779, 1558 |
| Number of properties | 7 | 0 |
| Additive primes | 133rd | |
| Cousin primes (1st member) | 54th | |
| Isolated primes | 145th | |
| Long primes | 93rd | |
| Primes | 244th | |
| Pythagorean primes | 117th | |
| Sexy primes (2nd member) | 106th | |
| Roman numberals | MDXLIX | MDLVIII |
| Base 2 | 110000011012 | 110000101102 |
| Base 3 | 20101013 | 20102013 |
| Base 4 | 1200314 | 1201124 |
| Base 5 | 221445 | 222135 |
| Base 6 | 111016 | 111146 |
| Base 7 | 43427 | 43547 |
| Base 8 | 30158 | 30268 |
| Base 9 | 21119 | 21219 |
| Base 10 | 154910 | 155810 |
| Base 11 | 118911 | 119711 |
| Base 12 | a9112 | a9a12 |
| Base 13 | 92213 | 92b13 |
| Base 14 | 7c914 | 7d414 |
| Base 15 | 6d415 | 6dd15 |
| Base 16 | 60d16 | 61616 |