Compare 1549 vs 1554
| Property | 1549 | 1554 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 15491 | 21 × 31 × 71 × 371 |
| Prime factorization | 1549 | 2 × 3 × 7 × 37 |
| Divisors count | 2 | 16 |
| Divisors | 1, 1549 | 1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554 |
| 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 | MDLIV |
| Base 2 | 110000011012 | 110000100102 |
| Base 3 | 20101013 | 20101203 |
| Base 4 | 1200314 | 1201024 |
| Base 5 | 221445 | 222045 |
| Base 6 | 111016 | 111106 |
| Base 7 | 43427 | 43507 |
| Base 8 | 30158 | 30228 |
| Base 9 | 21119 | 21169 |
| Base 10 | 154910 | 155410 |
| Base 11 | 118911 | 119311 |
| Base 12 | a9112 | a9612 |
| Base 13 | 92213 | 92713 |
| Base 14 | 7c914 | 7d014 |
| Base 15 | 6d415 | 6d915 |
| Base 16 | 60d16 | 61216 |