Compare 489 vs 499
| Property | 489 | 499 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 1631 | 4991 |
| Prime factorization | 3 × 163 | 499 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 163, 489 | 1, 499 |
| Number of properties | 1 | 6 |
| Chen primes | 67th | |
| Cousin primes (1st member) | 27th | |
| Harmonic primes | 39th | |
| Isolated primes | 48th | |
| Long primes | 35th | |
| Primes | 95th | |
| Semiprimes | 151st | |
| Roman numberals | CDLXXXIX | CDXCIX |
| Base 2 | 1111010012 | 1111100112 |
| Base 3 | 2000103 | 2001113 |
| Base 4 | 132214 | 133034 |
| Base 5 | 34245 | 34445 |
| Base 6 | 21336 | 21516 |
| Base 7 | 12667 | 13127 |
| Base 8 | 7518 | 7638 |
| Base 9 | 6039 | 6149 |
| Base 10 | 48910 | 49910 |
| Base 11 | 40511 | 41411 |
| Base 12 | 34912 | 35712 |
| Base 13 | 2b813 | 2c513 |
| Base 14 | 26d14 | 27914 |
| Base 15 | 22915 | 23415 |
| Base 16 | 1e916 | 1f316 |