Compare 1603 vs 1639
| Property | 1603 | 1639 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 2291 | 111 × 1491 |
| Prime factorization | 7 × 229 | 11 × 149 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 229, 1603 | 1, 11, 149, 1639 |
| Number of properties | 1 | 1 |
| Semiprimes | 463rd | 469th |
| Roman numberals | MDCIII | MDCXXXIX |
| Base 2 | 110010000112 | 110011001112 |
| Base 3 | 20121013 | 20202013 |
| Base 4 | 1210034 | 1212134 |
| Base 5 | 224035 | 230245 |
| Base 6 | 112316 | 113316 |
| Base 7 | 44507 | 45317 |
| Base 8 | 31038 | 31478 |
| Base 9 | 21719 | 22219 |
| Base 10 | 160310 | 163910 |
| Base 11 | 122811 | 126011 |
| Base 12 | b1712 | b4712 |
| Base 13 | 96413 | 99113 |
| Base 14 | 82714 | 85114 |
| Base 15 | 71d15 | 74415 |
| Base 16 | 64316 | 66716 |