Compare 83 vs 149
| Property | 83 | 149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 831 | 1491 |
| Prime factorization | 83 | 149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 83 | 1, 149 |
| Number of properties | 10 | 8 |
| Additive primes | 13th | |
| Chen primes | 19th | 29th |
| Cousin primes (2nd member) | 8th | |
| Emirps | 11th | |
| Good primes | 14th | |
| Harmonic primes | 12th | |
| Isolated primes | 8th | |
| Left-truncatable primes | 14th | |
| Long primes | 13th | |
| Primes | 23rd | 35th |
| Pythagorean primes | 16th | |
| Safe primes | 7th | |
| Sexy primes (1st member) | 15th | |
| Sophie germain primes | 9th | |
| Super primes | 9th | |
| Twin primes (1st member) | 12th | |
| Roman numberals | LXXXIII | CXLIX |
| Base 2 | 10100112 | 100101012 |
| Base 3 | 100023 | 121123 |
| Base 4 | 11034 | 21114 |
| Base 5 | 3135 | 10445 |
| Base 6 | 2156 | 4056 |
| Base 7 | 1467 | 3027 |
| Base 8 | 1238 | 2258 |
| Base 9 | 1029 | 1759 |
| Base 10 | 8310 | 14910 |
| Base 11 | 7611 | 12611 |
| Base 12 | 6b12 | 10512 |
| Base 13 | 6513 | b613 |
| Base 14 | 5d14 | a914 |
| Base 15 | 5815 | 9e15 |
| Base 16 | 5316 | 9516 |