Compare 489 vs 505
| Property | 489 | 505 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 1631 | 51 × 1011 |
| Prime factorization | 3 × 163 | 5 × 101 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 163, 489 | 1, 5, 101, 505 |
| Number of properties | 1 | 1 |
| Semiprimes | 151st | 156th |
| Roman numberals | CDLXXXIX | DV |
| Base 2 | 1111010012 | 1111110012 |
| Base 3 | 2000103 | 2002013 |
| Base 4 | 132214 | 133214 |
| Base 5 | 34245 | 40105 |
| Base 6 | 21336 | 22016 |
| Base 7 | 12667 | 13217 |
| Base 8 | 7518 | 7718 |
| Base 9 | 6039 | 6219 |
| Base 10 | 48910 | 50510 |
| Base 11 | 40511 | 41a11 |
| Base 12 | 34912 | 36112 |
| Base 13 | 2b813 | 2cb13 |
| Base 14 | 26d14 | 28114 |
| Base 15 | 22915 | 23a15 |
| Base 16 | 1e916 | 1f916 |