Compare 487 vs 493
| Property | 487 | 493 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4871 | 171 × 291 |
| Prime factorization | 487 | 17 × 29 |
| Divisors count | 2 | 4 |
| Divisors | 1, 487 | 1, 17, 29, 493 |
| Number of properties | 10 | 1 |
| Additive primes | 54th | |
| Chen primes | 65th | |
| Cousin primes (1st member) | 26th | |
| Happy primes | 23rd | |
| Harmonic primes | 37th | |
| Isolated primes | 46th | |
| Long primes | 33rd | |
| Lucky primes | 26th | |
| Pierpont primes | 16th | |
| Primes | 93rd | |
| Semiprimes | 152nd | |
| Roman numberals | CDLXXXVII | CDXCIII |
| Base 2 | 1111001112 | 1111011012 |
| Base 3 | 2000013 | 2000213 |
| Base 4 | 132134 | 132314 |
| Base 5 | 34225 | 34335 |
| Base 6 | 21316 | 21416 |
| Base 7 | 12647 | 13037 |
| Base 8 | 7478 | 7558 |
| Base 9 | 6019 | 6079 |
| Base 10 | 48710 | 49310 |
| Base 11 | 40311 | 40911 |
| Base 12 | 34712 | 35112 |
| Base 13 | 2b613 | 2bc13 |
| Base 14 | 26b14 | 27314 |
| Base 15 | 22715 | 22d15 |
| Base 16 | 1e716 | 1ed16 |