Compare 83 vs 139
| Property | 83 | 139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 831 | 1391 |
| Prime factorization | 83 | 139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 83 | 1, 139 |
| Number of properties | 10 | 6 |
| Additive primes | 13th | 19th |
| Chen primes | 19th | 28th |
| Cousin primes (2nd member) | 8th | |
| Happy primes | 10th | |
| Harmonic primes | 11th | |
| Isolated primes | 8th | |
| Left-truncatable primes | 14th | |
| Primes | 23rd | 34th |
| Safe primes | 7th | |
| Sexy primes (1st member) | 15th | |
| Sophie germain primes | 9th | |
| Super primes | 9th | |
| Twin primes (2nd member) | 11th | |
| Roman numberals | LXXXIII | CXXXIX |
| Base 2 | 10100112 | 100010112 |
| Base 3 | 100023 | 120113 |
| Base 4 | 11034 | 20234 |
| Base 5 | 3135 | 10245 |
| Base 6 | 2156 | 3516 |
| Base 7 | 1467 | 2567 |
| Base 8 | 1238 | 2138 |
| Base 9 | 1029 | 1649 |
| Base 10 | 8310 | 13910 |
| Base 11 | 7611 | 11711 |
| Base 12 | 6b12 | b712 |
| Base 13 | 6513 | a913 |
| Base 14 | 5d14 | 9d14 |
| Base 15 | 5815 | 9415 |
| Base 16 | 5316 | 8b16 |