Compare 481 vs 489
| Property | 481 | 489 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 371 | 31 × 1631 |
| Prime factorization | 13 × 37 | 3 × 163 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 37, 481 | 1, 3, 163, 489 |
| Number of properties | 1 | 1 |
| Semiprimes | 148th | 151st |
| Roman numberals | CDLXXXI | CDLXXXIX |
| Base 2 | 1111000012 | 1111010012 |
| Base 3 | 1222113 | 2000103 |
| Base 4 | 132014 | 132214 |
| Base 5 | 34115 | 34245 |
| Base 6 | 21216 | 21336 |
| Base 7 | 12557 | 12667 |
| Base 8 | 7418 | 7518 |
| Base 9 | 5849 | 6039 |
| Base 10 | 48110 | 48910 |
| Base 11 | 3a811 | 40511 |
| Base 12 | 34112 | 34912 |
| Base 13 | 2b013 | 2b813 |
| Base 14 | 26514 | 26d14 |
| Base 15 | 22115 | 22915 |
| Base 16 | 1e116 | 1e916 |