Compare 485 vs 491
| Property | 485 | 491 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 971 | 4911 |
| Prime factorization | 5 × 97 | 491 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 97, 485 | 1, 491 |
| Number of properties | 1 | 7 |
| Chen primes | 66th | |
| Cousin primes (2nd member) | 26th | |
| Harmonic primes | 38th | |
| Isolated primes | 47th | |
| Long primes | 34th | |
| Primes | 94th | |
| Semiprimes | 150th | |
| Sophie germain primes | 25th | |
| Roman numberals | CDLXXXV | CDXCI |
| Base 2 | 1111001012 | 1111010112 |
| Base 3 | 1222223 | 2000123 |
| Base 4 | 132114 | 132234 |
| Base 5 | 34205 | 34315 |
| Base 6 | 21256 | 21356 |
| Base 7 | 12627 | 13017 |
| Base 8 | 7458 | 7538 |
| Base 9 | 5889 | 6059 |
| Base 10 | 48510 | 49110 |
| Base 11 | 40111 | 40711 |
| Base 12 | 34512 | 34b12 |
| Base 13 | 2b413 | 2ba13 |
| Base 14 | 26914 | 27114 |
| Base 15 | 22515 | 22b15 |
| Base 16 | 1e516 | 1eb16 |