Compare 1490 vs 1491
| Property | 1490 | 1491 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 51 × 1491 | 31 × 71 × 711 |
| Prime factorization | 2 × 5 × 149 | 3 × 7 × 71 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 5, 10, 149, 298, 745, 1490 | 1, 3, 7, 21, 71, 213, 497, 1491 |
| Number of properties | 0 | 0 |
| Roman numberals | MCDXC | MCDXCI |
| Base 2 | 101110100102 | 101110100112 |
| Base 3 | 20010123 | 20010203 |
| Base 4 | 1131024 | 1131034 |
| Base 5 | 214305 | 214315 |
| Base 6 | 105226 | 105236 |
| Base 7 | 42267 | 42307 |
| Base 8 | 27228 | 27238 |
| Base 9 | 20359 | 20369 |
| Base 10 | 149010 | 149110 |
| Base 11 | 113511 | 113611 |
| Base 12 | a4212 | a4312 |
| Base 13 | 8a813 | 8a913 |
| Base 14 | 78614 | 78714 |
| Base 15 | 69515 | 69615 |
| Base 16 | 5d216 | 5d316 |