Compare 1639 vs 1673
| Property | 1639 | 1673 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 111 × 1491 | 71 × 2391 |
| Prime factorization | 11 × 149 | 7 × 239 |
| Divisors count | 4 | 4 |
| Divisors | 1, 11, 149, 1639 | 1, 7, 239, 1673 |
| Number of properties | 1 | 1 |
| Semiprimes | 469th | 481st |
| Roman numberals | MDCXXXIX | MDCLXXIII |
| Base 2 | 110011001112 | 110100010012 |
| Base 3 | 20202013 | 20212223 |
| Base 4 | 1212134 | 1220214 |
| Base 5 | 230245 | 231435 |
| Base 6 | 113316 | 114256 |
| Base 7 | 45317 | 46107 |
| Base 8 | 31478 | 32118 |
| Base 9 | 22219 | 22589 |
| Base 10 | 163910 | 167310 |
| Base 11 | 126011 | 129111 |
| Base 12 | b4712 | b7512 |
| Base 13 | 99113 | 9b913 |
| Base 14 | 85114 | 87714 |
| Base 15 | 74415 | 76815 |
| Base 16 | 66716 | 68916 |