Compare 30987 vs 30990
| Property | 30987 | 30990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 4 | 4 |
| Prime factorization | 32 × 111 × 3131 | 21 × 31 × 51 × 10331 |
| Prime factorization | 3 × 3 × 11 × 313 | 2 × 3 × 5 × 1033 |
| Divisors count | 12 | 16 |
| Divisors | 1, 3, 9, 11, 33, 99, 313, 939, 2817, 3443, 10329, 30987 | 1, 2, 3, 5, 6, 10, 15, 30, 1033, 2066, 3099, 5165, 6198, 10330, 15495, 30990 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1111001000010112 | 1111001000011102 |
| Base 3 | 11201112003 | 11201112103 |
| Base 4 | 132100234 | 132100324 |
| Base 5 | 14424225 | 14424305 |
| Base 6 | 3552436 | 3552506 |
| Base 7 | 1562257 | 1562317 |
| Base 8 | 744138 | 744168 |
| Base 9 | 464509 | 464539 |
| Base 10 | 3098710 | 3099010 |
| Base 11 | 2131011 | 2131311 |
| Base 12 | 15b2312 | 15b2612 |
| Base 13 | 1114813 | 1114b13 |
| Base 14 | b41514 | b41814 |
| Base 15 | 92ac15 | 92b015 |
| Base 16 | 790b16 | 790e16 |