Compare 2017 vs 2019
| Property | 2017 | 2019 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 20171 | 31 × 6731 |
| Prime factorization | 2017 | 3 × 673 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2017 | 1, 3, 673, 2019 |
| Number of properties | 7 | 1 |
| Chen primes | 187th | |
| Isolated primes | 185th | |
| Long primes | 117th | |
| Primes | 306th | |
| Pythagorean primes | 148th | |
| Semiprimes | 580th | |
| Sexy primes (2nd member) | 130th | |
| Solinas primes | 54th | |
| Roman numberals | MMXVII | MMXIX |
| Base 2 | 111111000012 | 111111000112 |
| Base 3 | 22022013 | 22022103 |
| Base 4 | 1332014 | 1332034 |
| Base 5 | 310325 | 310345 |
| Base 6 | 132016 | 132036 |
| Base 7 | 56117 | 56137 |
| Base 8 | 37418 | 37438 |
| Base 9 | 26819 | 26839 |
| Base 10 | 201710 | 201910 |
| Base 11 | 157411 | 157611 |
| Base 12 | 120112 | 120312 |
| Base 13 | bc213 | bc413 |
| Base 14 | a4114 | a4314 |
| Base 15 | 8e715 | 8e915 |
| Base 16 | 7e116 | 7e316 |