Compare 1549 vs 1583
| Property | 1549 | 1583 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15491 | 15831 |
| Prime factorization | 1549 | 1583 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1549 | 1, 1583 |
| Number of properties | 7 | 9 |
| Additive primes | 133rd | 135th |
| Chen primes | 159th | |
| Cousin primes (1st member) | 54th | |
| Cousin primes (2nd member) | 56th | |
| Emirps | 76th | |
| Harmonic primes | 84th | |
| Isolated primes | 145th | 151st |
| Long primes | 93rd | 98th |
| Primes | 244th | 250th |
| Pythagorean primes | 117th | |
| Sexy primes (2nd member) | 106th | |
| Sophie germain primes | 53rd | |
| Roman numberals | MDXLIX | MDLXXXIII |
| Base 2 | 110000011012 | 110001011112 |
| Base 3 | 20101013 | 20111223 |
| Base 4 | 1200314 | 1202334 |
| Base 5 | 221445 | 223135 |
| Base 6 | 111016 | 111556 |
| Base 7 | 43427 | 44217 |
| Base 8 | 30158 | 30578 |
| Base 9 | 21119 | 21489 |
| Base 10 | 154910 | 158310 |
| Base 11 | 118911 | 120a11 |
| Base 12 | a9112 | abb12 |
| Base 13 | 92213 | 94a13 |
| Base 14 | 7c914 | 81114 |
| Base 15 | 6d415 | 70815 |
| Base 16 | 60d16 | 62f16 |