Compare 191 vs 461
| Property | 191 | 461 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1911 | 4611 |
| Prime factorization | 191 | 461 |
| Divisors count | 2 | 2 |
| Divisors | 1, 191 | 1, 461 |
| Number of properties | 16 | 12 |
| Additive primes | 24th | 51st |
| Chen primes | 34th | 62nd |
| Class 1+ primes | 14th | |
| Cousin primes (2nd member) | 24th | |
| Good primes | 16th | |
| Harmonic primes | 15th | 34th |
| Long primes | 32nd | |
| Palindromic primes | 10th | |
| Pierpont primes of the 2nd kind | 14th | |
| Primes | 43rd | 89th |
| Prime quadruplets (1st member) | 4th | |
| Prime triplets (1st member) | 13th | 22nd |
| Prime triplets (2nd member) | 21st | |
| Pythagorean primes | 44th | |
| Sexy primes (1st member) | 25th | 46th |
| Solinas primes | 25th | |
| Sophie germain primes | 15th | |
| Super primes | 14th | 24th |
| Thabit primes | 6th | |
| Twin primes (1st member) | 14th | 24th |
| Roman numberals | CXCI | CDLXI |
| Base 2 | 101111112 | 1110011012 |
| Base 3 | 210023 | 1220023 |
| Base 4 | 23334 | 130314 |
| Base 5 | 12315 | 33215 |
| Base 6 | 5156 | 20456 |
| Base 7 | 3627 | 12267 |
| Base 8 | 2778 | 7158 |
| Base 9 | 2329 | 5629 |
| Base 10 | 19110 | 46110 |
| Base 11 | 16411 | 38a11 |
| Base 12 | 13b12 | 32512 |
| Base 13 | 11913 | 29613 |
| Base 14 | d914 | 24d14 |
| Base 15 | cb15 | 20b15 |
| Base 16 | bf16 | 1cd16 |