Compare 491 vs 541
| Property | 491 | 541 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4911 | 5411 |
| Prime factorization | 491 | 541 |
| Divisors count | 2 | 2 |
| Divisors | 1, 491 | 1, 541 |
| Number of properties | 7 | 9 |
| Chen primes | 66th | 71st |
| Cousin primes (2nd member) | 26th | |
| Good primes | 28th | |
| Harmonic primes | 38th | 41st |
| Isolated primes | 47th | 51st |
| Long primes | 34th | 38th |
| Lucky primes | 27th | |
| Primes | 94th | 100th |
| Pythagorean primes | 47th | |
| Sexy primes (1st member) | 48th | |
| Sophie germain primes | 25th | |
| Roman numberals | CDXCI | DXLI |
| Base 2 | 1111010112 | 10000111012 |
| Base 3 | 2000123 | 2020013 |
| Base 4 | 132234 | 201314 |
| Base 5 | 34315 | 41315 |
| Base 6 | 21356 | 23016 |
| Base 7 | 13017 | 14027 |
| Base 8 | 7538 | 10358 |
| Base 9 | 6059 | 6619 |
| Base 10 | 49110 | 54110 |
| Base 11 | 40711 | 45211 |
| Base 12 | 34b12 | 39112 |
| Base 13 | 2ba13 | 32813 |
| Base 14 | 27114 | 2a914 |
| Base 15 | 22b15 | 26115 |
| Base 16 | 1eb16 | 21d16 |