Compare 155 vs 201
| Property | 155 | 201 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 311 | 31 × 671 |
| Prime factorization | 5 × 31 | 3 × 67 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 31, 155 | 1, 3, 67, 201 |
| Number of properties | 1 | 1 |
| Semiprimes | 51st | 63rd |
| Roman numberals | CLV | CCI |
| Base 2 | 100110112 | 110010012 |
| Base 3 | 122023 | 211103 |
| Base 4 | 21234 | 30214 |
| Base 5 | 11105 | 13015 |
| Base 6 | 4156 | 5336 |
| Base 7 | 3117 | 4057 |
| Base 8 | 2338 | 3118 |
| Base 9 | 1829 | 2439 |
| Base 10 | 15510 | 20110 |
| Base 11 | 13111 | 17311 |
| Base 12 | 10b12 | 14912 |
| Base 13 | bc13 | 12613 |
| Base 14 | b114 | 10514 |
| Base 15 | a515 | d615 |
| Base 16 | 9b16 | c916 |