Compare 489 vs 515
| Property | 489 | 515 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 1631 | 51 × 1031 |
| Prime factorization | 3 × 163 | 5 × 103 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 163, 489 | 1, 5, 103, 515 |
| Number of properties | 1 | 1 |
| Semiprimes | 151st | 159th |
| Roman numberals | CDLXXXIX | DXV |
| Base 2 | 1111010012 | 10000000112 |
| Base 3 | 2000103 | 2010023 |
| Base 4 | 132214 | 200034 |
| Base 5 | 34245 | 40305 |
| Base 6 | 21336 | 22156 |
| Base 7 | 12667 | 13347 |
| Base 8 | 7518 | 10038 |
| Base 9 | 6039 | 6329 |
| Base 10 | 48910 | 51510 |
| Base 11 | 40511 | 42911 |
| Base 12 | 34912 | 36b12 |
| Base 13 | 2b813 | 30813 |
| Base 14 | 26d14 | 28b14 |
| Base 15 | 22915 | 24515 |
| Base 16 | 1e916 | 20316 |