Compare 489 vs 493
| Property | 489 | 493 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 1631 | 171 × 291 |
| Prime factorization | 3 × 163 | 17 × 29 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 163, 489 | 1, 17, 29, 493 |
| Number of properties | 1 | 1 |
| Semiprimes | 151st | 152nd |
| Roman numberals | CDLXXXIX | CDXCIII |
| Base 2 | 1111010012 | 1111011012 |
| Base 3 | 2000103 | 2000213 |
| Base 4 | 132214 | 132314 |
| Base 5 | 34245 | 34335 |
| Base 6 | 21336 | 21416 |
| Base 7 | 12667 | 13037 |
| Base 8 | 7518 | 7558 |
| Base 9 | 6039 | 6079 |
| Base 10 | 48910 | 49310 |
| Base 11 | 40511 | 40911 |
| Base 12 | 34912 | 35112 |
| Base 13 | 2b813 | 2bc13 |
| Base 14 | 26d14 | 27314 |
| Base 15 | 22915 | 22d15 |
| Base 16 | 1e916 | 1ed16 |