Compare 490 vs 497
| Property | 490 | 497 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 51 × 72 | 71 × 711 |
| Prime factorization | 2 × 5 × 7 × 7 | 7 × 71 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490 | 1, 7, 71, 497 |
| Number of properties | 0 | 1 |
| Semiprimes | 153rd | |
| Roman numberals | CDXC | CDXCVII |
| Base 2 | 1111010102 | 1111100012 |
| Base 3 | 2000113 | 2001023 |
| Base 4 | 132224 | 133014 |
| Base 5 | 34305 | 34425 |
| Base 6 | 21346 | 21456 |
| Base 7 | 13007 | 13107 |
| Base 8 | 7528 | 7618 |
| Base 9 | 6049 | 6129 |
| Base 10 | 49010 | 49710 |
| Base 11 | 40611 | 41211 |
| Base 12 | 34a12 | 35512 |
| Base 13 | 2b913 | 2c313 |
| Base 14 | 27014 | 27714 |
| Base 15 | 22a15 | 23215 |
| Base 16 | 1ea16 | 1f116 |