Compare 145215 vs 145221
| Property | 145215 | 145221 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 32 × 51 × 71 × 4611 | 31 × 484071 |
| Prime factorization | 3 × 3 × 5 × 7 × 461 | 3 × 48407 |
| Divisors count | 24 | 4 |
| Divisors | 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 461, 1383, 2305, 3227, 4149, 6915, 9681, 16135, 20745, 29043, 48405, 145215 | 1, 3, 48407, 145221 |
| Number of properties | 0 | 1 |
| Semiprimes | 33348th | |
| Roman numberals | ||
| Base 2 | 1000110111001111112 | 1000110111010001012 |
| Base 3 | 211010121003 | 211010121203 |
| Base 4 | 2031303334 | 2031310114 |
| Base 5 | 141213305 | 141213415 |
| Base 6 | 30401436 | 30401536 |
| Base 7 | 11432407 | 11432467 |
| Base 8 | 4334778 | 4335058 |
| Base 9 | 2411709 | 2411769 |
| Base 10 | 14521510 | 14522110 |
| Base 11 | 9a11411 | 9a11a11 |
| Base 12 | 7005312 | 7005912 |
| Base 13 | 5113513 | 5113b13 |
| Base 14 | 3acc714 | 3accd14 |
| Base 15 | 2d06015 | 2d06615 |
| Base 16 | 2373f16 | 2374516 |