Compare 201 vs 215
| Property | 201 | 215 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 671 | 51 × 431 |
| Prime factorization | 3 × 67 | 5 × 43 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 67, 201 | 1, 5, 43, 215 |
| Number of properties | 1 | 1 |
| Semiprimes | 63rd | 71st |
| Roman numberals | CCI | CCXV |
| Base 2 | 110010012 | 110101112 |
| Base 3 | 211103 | 212223 |
| Base 4 | 30214 | 31134 |
| Base 5 | 13015 | 13305 |
| Base 6 | 5336 | 5556 |
| Base 7 | 4057 | 4257 |
| Base 8 | 3118 | 3278 |
| Base 9 | 2439 | 2589 |
| Base 10 | 20110 | 21510 |
| Base 11 | 17311 | 18611 |
| Base 12 | 14912 | 15b12 |
| Base 13 | 12613 | 13713 |
| Base 14 | 10514 | 11514 |
| Base 15 | d615 | e515 |
| Base 16 | c916 | d716 |