Compare 130815 vs 130817
| Property | 130815 | 130817 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 34 × 51 × 171 × 191 | 1308171 |
| Prime factorization | 3 × 3 × 3 × 3 × 5 × 17 × 19 | 130817 |
| Divisors count | 40 | 2 |
| Divisors | 1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 171, 255, 285, 323, 405, 459, 513, 765, 855, 969, 1377, 1539, 1615, 2295, 2565, 2907, 4845, 6885, 7695, 8721, 14535, 26163, 43605, 130815 | 1, 130817 |
| Number of properties | 0 | 7 |
| Harmonic primes | 4607th | |
| Isolated primes | 9186th | |
| Long primes | 4591st | |
| Primes | 12233rd | |
| Pythagorean primes | 6085th | |
| Sexy primes (2nd member) | 3035th | |
| Solinas primes | 115th | |
| Roman numberals | ||
| Base 2 | 111111110111111112 | 111111111000000012 |
| Base 3 | 201221100003 | 201221100023 |
| Base 4 | 1333233334 | 1333300014 |
| Base 5 | 131412305 | 131412325 |
| Base 6 | 24453436 | 24453456 |
| Base 7 | 10532467 | 10532517 |
| Base 8 | 3773778 | 3774018 |
| Base 9 | 2184009 | 2184029 |
| Base 10 | 13081510 | 13081710 |
| Base 11 | 8a31311 | 8a31511 |
| Base 12 | 6385312 | 6385512 |
| Base 13 | 4770913 | 4770b13 |
| Base 14 | 3595d14 | 3596114 |
| Base 15 | 28b6015 | 28b6215 |
| Base 16 | 1feff16 | 1ff0116 |