Compare 1603 vs 1613
| Property | 1603 | 1613 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 2291 | 16131 |
| Prime factorization | 7 × 229 | 1613 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 229, 1603 | 1, 1613 |
| Number of properties | 1 | 13 |
| Additive primes | 136th | |
| Cousin primes (2nd member) | 58th | |
| Harmonic primes | 88th | |
| Isolated primes | 154th | |
| Left-truncatable primes | 60th | |
| Primes | 255th | |
| Prime triplets (3rd member) | 42nd | |
| Pythagorean primes | 122nd | |
| Semiprimes | 463rd | |
| Sexy primes (1st member) | 110th | |
| Sexy primes (2nd member) | 109th | |
| Sexy prime quadrupletss (3rd member) | 10th | |
| Sexy prime triplets (2nd member) | 42nd | |
| Sexy prime triplets (3rd member) | 41st | |
| Roman numberals | MDCIII | MDCXIII |
| Base 2 | 110010000112 | 110010011012 |
| Base 3 | 20121013 | 20122023 |
| Base 4 | 1210034 | 1210314 |
| Base 5 | 224035 | 224235 |
| Base 6 | 112316 | 112456 |
| Base 7 | 44507 | 44637 |
| Base 8 | 31038 | 31158 |
| Base 9 | 21719 | 21829 |
| Base 10 | 160310 | 161310 |
| Base 11 | 122811 | 123711 |
| Base 12 | b1712 | b2512 |
| Base 13 | 96413 | 97113 |
| Base 14 | 82714 | 83314 |
| Base 15 | 71d15 | 72815 |
| Base 16 | 64316 | 64d16 |