Compare 83 vs 85
| Property | 83 | 85 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 831 | 51 × 171 |
| Prime factorization | 83 | 5 × 17 |
| Divisors count | 2 | 4 |
| Divisors | 1, 83 | 1, 5, 17, 85 |
| Number of properties | 10 | 1 |
| Additive primes | 13th | |
| Chen primes | 19th | |
| Cousin primes (2nd member) | 8th | |
| Isolated primes | 8th | |
| Left-truncatable primes | 14th | |
| Primes | 23rd | |
| Safe primes | 7th | |
| Semiprimes | 28th | |
| Sexy primes (1st member) | 15th | |
| Sophie germain primes | 9th | |
| Super primes | 9th | |
| Roman numberals | LXXXIII | LXXXV |
| Base 2 | 10100112 | 10101012 |
| Base 3 | 100023 | 100113 |
| Base 4 | 11034 | 11114 |
| Base 5 | 3135 | 3205 |
| Base 6 | 2156 | 2216 |
| Base 7 | 1467 | 1517 |
| Base 8 | 1238 | 1258 |
| Base 9 | 1029 | 1049 |
| Base 10 | 8310 | 8510 |
| Base 11 | 7611 | 7811 |
| Base 12 | 6b12 | 7112 |
| Base 13 | 6513 | 6713 |
| Base 14 | 5d14 | 6114 |
| Base 15 | 5815 | 5a15 |
| Base 16 | 5316 | 5516 |