Compare 191 vs 727
| Property | 191 | 727 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1911 | 7271 |
| Prime factorization | 191 | 727 |
| Divisors count | 2 | 2 |
| Divisors | 1, 191 | 1, 727 |
| Number of properties | 16 | 8 |
| Additive primes | 24th | |
| Chen primes | 34th | |
| Class 1+ primes | 14th | |
| Good primes | 16th | 36th |
| Harmonic primes | 15th | |
| Isolated primes | 70th | |
| Long primes | 47th | |
| Lucky primes | 35th | |
| Palindromic primes | 10th | 15th |
| Pierpont primes of the 2nd kind | 14th | |
| Primes | 43rd | 129th |
| Prime quadruplets (1st member) | 4th | |
| Prime triplets (1st member) | 13th | |
| Sexy primes (1st member) | 25th | 61st |
| Sexy prime triplets (1st member) | 26th | |
| Solinas primes | 25th | |
| Sophie germain primes | 15th | |
| Super primes | 14th | |
| Thabit primes | 6th | |
| Twin primes (1st member) | 14th | |
| Roman numberals | CXCI | DCCXXVII |
| Base 2 | 101111112 | 10110101112 |
| Base 3 | 210023 | 2222213 |
| Base 4 | 23334 | 231134 |
| Base 5 | 12315 | 104025 |
| Base 6 | 5156 | 32116 |
| Base 7 | 3627 | 20567 |
| Base 8 | 2778 | 13278 |
| Base 9 | 2329 | 8879 |
| Base 10 | 19110 | 72710 |
| Base 11 | 16411 | 60111 |
| Base 12 | 13b12 | 50712 |
| Base 13 | 11913 | 43c13 |
| Base 14 | d914 | 39d14 |
| Base 15 | cb15 | 33715 |
| Base 16 | bf16 | 2d716 |