Compare 486 vs 491
| Property | 486 | 491 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 21 × 35 | 4911 |
| Prime factorization | 2 × 3 × 3 × 3 × 3 × 3 | 491 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486 | 1, 491 |
| Number of properties | 0 | 7 |
| Chen primes | 66th | |
| Cousin primes (2nd member) | 26th | |
| Harmonic primes | 38th | |
| Isolated primes | 47th | |
| Long primes | 34th | |
| Primes | 94th | |
| Sophie germain primes | 25th | |
| Roman numberals | CDLXXXVI | CDXCI |
| Base 2 | 1111001102 | 1111010112 |
| Base 3 | 2000003 | 2000123 |
| Base 4 | 132124 | 132234 |
| Base 5 | 34215 | 34315 |
| Base 6 | 21306 | 21356 |
| Base 7 | 12637 | 13017 |
| Base 8 | 7468 | 7538 |
| Base 9 | 6009 | 6059 |
| Base 10 | 48610 | 49110 |
| Base 11 | 40211 | 40711 |
| Base 12 | 34612 | 34b12 |
| Base 13 | 2b513 | 2ba13 |
| Base 14 | 26a14 | 27114 |
| Base 15 | 22615 | 22b15 |
| Base 16 | 1e616 | 1eb16 |