Compare 191 vs 241
| Property | 191 | 241 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1911 | 2411 |
| Prime factorization | 191 | 241 |
| Divisors count | 2 | 2 |
| Divisors | 1, 191 | 1, 241 |
| Number of properties | 16 | 10 |
| Additive primes | 24th | 31st |
| Chen primes | 34th | |
| Class 1+ primes | 14th | |
| Good primes | 16th | |
| Harmonic primes | 15th | 19th |
| Lucky primes | 16th | |
| Palindromic primes | 10th | |
| Pierpont primes of the 2nd kind | 14th | |
| Primes | 43rd | 53rd |
| Prime quadruplets (1st member) | 4th | |
| Prime triplets (1st member) | 13th | |
| Proth primes | 9th | |
| Pythagorean primes | 24th | |
| Sexy primes (1st member) | 25th | |
| Solinas primes | 25th | 29th |
| Sophie germain primes | 15th | |
| Super primes | 14th | 16th |
| Thabit primes | 6th | |
| Twin primes (1st member) | 14th | |
| Twin primes (2nd member) | 17th | |
| Ulam primes | 10th | |
| Roman numberals | CXCI | CCXLI |
| Base 2 | 101111112 | 111100012 |
| Base 3 | 210023 | 222213 |
| Base 4 | 23334 | 33014 |
| Base 5 | 12315 | 14315 |
| Base 6 | 5156 | 10416 |
| Base 7 | 3627 | 4637 |
| Base 8 | 2778 | 3618 |
| Base 9 | 2329 | 2879 |
| Base 10 | 19110 | 24110 |
| Base 11 | 16411 | 1aa11 |
| Base 12 | 13b12 | 18112 |
| Base 13 | 11913 | 15713 |
| Base 14 | d914 | 13314 |
| Base 15 | cb15 | 11115 |
| Base 16 | bf16 | f116 |