Compare 191 vs 192
| Property | 191 | 192 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 7 |
| Prime factorization | 1911 | 26 × 31 |
| Prime factorization | 191 | 2 × 2 × 2 × 2 × 2 × 2 × 3 |
| Divisors count | 2 | 14 |
| Divisors | 1, 191 | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192 |
| Number of properties | 16 | 0 |
| Additive primes | 24th | |
| Chen primes | 34th | |
| Class 1+ primes | 14th | |
| Good primes | 16th | |
| Harmonic primes | 15th | |
| Palindromic primes | 10th | |
| Pierpont primes of the 2nd kind | 14th | |
| Primes | 43rd | |
| Prime quadruplets (1st member) | 4th | |
| Prime triplets (1st member) | 13th | |
| Sexy primes (1st member) | 25th | |
| Solinas primes | 25th | |
| Sophie germain primes | 15th | |
| Super primes | 14th | |
| Thabit primes | 6th | |
| Twin primes (1st member) | 14th | |
| Roman numberals | CXCI | CXCII |
| Base 2 | 101111112 | 110000002 |
| Base 3 | 210023 | 210103 |
| Base 4 | 23334 | 30004 |
| Base 5 | 12315 | 12325 |
| Base 6 | 5156 | 5206 |
| Base 7 | 3627 | 3637 |
| Base 8 | 2778 | 3008 |
| Base 9 | 2329 | 2339 |
| Base 10 | 19110 | 19210 |
| Base 11 | 16411 | 16511 |
| Base 12 | 13b12 | 14012 |
| Base 13 | 11913 | 11a13 |
| Base 14 | d914 | da14 |
| Base 15 | cb15 | cc15 |
| Base 16 | bf16 | c016 |