Compare 15149 vs 15154
| Property | 15149 | 15154 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 151491 | 21 × 75771 |
| Prime factorization | 15149 | 2 × 7577 |
| Divisors count | 2 | 4 |
| Divisors | 1, 15149 | 1, 2, 7577, 15154 |
| Number of properties | 7 | 1 |
| Chen primes | 900th | |
| Emirps | 453rd | |
| Harmonic primes | 638th | |
| Isolated primes | 1225th | |
| Long primes | 685th | |
| Primes | 1770th | |
| Pythagorean primes | 876th | |
| Semiprimes | 3905th | |
| Roman numberals | ||
| Base 2 | 111011001011012 | 111011001100102 |
| Base 3 | 2022100023 | 2022100213 |
| Base 4 | 32302314 | 32303024 |
| Base 5 | 4410445 | 4411045 |
| Base 6 | 1540456 | 1540546 |
| Base 7 | 621117 | 621167 |
| Base 8 | 354558 | 354628 |
| Base 9 | 227029 | 227079 |
| Base 10 | 1514910 | 1515410 |
| Base 11 | 1042211 | 1042711 |
| Base 12 | 892512 | 892a12 |
| Base 13 | 6b8413 | 6b8913 |
| Base 14 | 574114 | 574614 |
| Base 15 | 474e15 | 475415 |
| Base 16 | 3b2d16 | 3b3216 |