Compare 2017 vs 2028
| Property | 2017 | 2028 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 3 | 
| Total factors | 1 | 5 | 
| Prime factorization | 20171 | 22 × 31 × 132 | 
| Prime factorization | 2017 | 2 × 2 × 3 × 13 × 13 | 
| Divisors count | 2 | 18 | 
| Divisors | 1, 2017 | 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028 | 
| Number of properties | 7 | 0 | 
| Chen primes | 187th | |
| Isolated primes | 185th | |
| Long primes | 117th | |
| Primes | 306th | |
| Pythagorean primes | 148th | |
| Sexy primes (2nd member) | 130th | |
| Solinas primes | 54th | |
| Roman numberals | MMXVII | MMXXVIII | 
| Base 2 | 111111000012 | 111111011002 | 
| Base 3 | 22022013 | 22100103 | 
| Base 4 | 1332014 | 1332304 | 
| Base 5 | 310325 | 311035 | 
| Base 6 | 132016 | 132206 | 
| Base 7 | 56117 | 56257 | 
| Base 8 | 37418 | 37548 | 
| Base 9 | 26819 | 27039 | 
| Base 10 | 201710 | 202810 | 
| Base 11 | 157411 | 158411 | 
| Base 12 | 120112 | 121012 | 
| Base 13 | bc213 | c0013 | 
| Base 14 | a4114 | a4c14 | 
| Base 15 | 8e715 | 90315 | 
| Base 16 | 7e116 | 7ec16 |