Compare 31990 vs 31998
| Property | 31990 | 31998 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 51 × 71 × 4571 | 21 × 31 × 53331 |
| Prime factorization | 2 × 5 × 7 × 457 | 2 × 3 × 5333 |
| Divisors count | 16 | 8 |
| Divisors | 1, 2, 5, 7, 10, 14, 35, 70, 457, 914, 2285, 3199, 4570, 6398, 15995, 31990 | 1, 2, 3, 6, 5333, 10666, 15999, 31998 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1111100111101102 | 1111100111111102 |
| Base 3 | 11212122113 | 11212200103 |
| Base 4 | 133033124 | 133033324 |
| Base 5 | 20104305 | 20104435 |
| Base 6 | 4040346 | 4040506 |
| Base 7 | 1621607 | 1622017 |
| Base 8 | 763668 | 763768 |
| Base 9 | 477849 | 478039 |
| Base 10 | 3199010 | 3199810 |
| Base 11 | 2204211 | 2204a11 |
| Base 12 | 1661a12 | 1662612 |
| Base 13 | 1173a13 | 1174513 |
| Base 14 | b93014 | b93814 |
| Base 15 | 972a15 | 973315 |
| Base 16 | 7cf616 | 7cfe16 |