Compare 83 vs 191
| Property | 83 | 191 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 831 | 1911 |
| Prime factorization | 83 | 191 |
| Divisors count | 2 | 2 |
| Divisors | 1, 83 | 1, 191 |
| Number of properties | 10 | 16 |
| Additive primes | 13th | 24th |
| Chen primes | 19th | 34th |
| Class 1+ primes | 14th | |
| Cousin primes (2nd member) | 8th | |
| Good primes | 16th | |
| Harmonic primes | 15th | |
| Isolated primes | 8th | |
| Left-truncatable primes | 14th | |
| Palindromic primes | 10th | |
| Pierpont primes of the 2nd kind | 14th | |
| Primes | 23rd | 43rd |
| Prime quadruplets (1st member) | 4th | |
| Prime triplets (1st member) | 13th | |
| Safe primes | 7th | |
| Sexy primes (1st member) | 15th | 25th |
| Solinas primes | 25th | |
| Sophie germain primes | 9th | 15th |
| Super primes | 9th | 14th |
| Thabit primes | 6th | |
| Twin primes (1st member) | 14th | |
| Roman numberals | LXXXIII | CXCI |
| Base 2 | 10100112 | 101111112 |
| Base 3 | 100023 | 210023 |
| Base 4 | 11034 | 23334 |
| Base 5 | 3135 | 12315 |
| Base 6 | 2156 | 5156 |
| Base 7 | 1467 | 3627 |
| Base 8 | 1238 | 2778 |
| Base 9 | 1029 | 2329 |
| Base 10 | 8310 | 19110 |
| Base 11 | 7611 | 16411 |
| Base 12 | 6b12 | 13b12 |
| Base 13 | 6513 | 11913 |
| Base 14 | 5d14 | d914 |
| Base 15 | 5815 | cb15 |
| Base 16 | 5316 | bf16 |