Compare 2003 vs 2015
| Property | 2003 | 2015 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 20031 | 51 × 131 × 311 |
| Prime factorization | 2003 | 5 × 13 × 31 |
| Divisors count | 2 | 8 |
| Divisors | 1, 2003 | 1, 5, 13, 31, 65, 155, 403, 2015 |
| Number of properties | 9 | 0 |
| Additive primes | 157th | |
| Chen primes | 186th | |
| Cousin primes (2nd member) | 65th | |
| Happy primes | 55th | |
| Isolated primes | 183rd | |
| Primes | 304th | |
| Prime triplets (3rd member) | 50th | |
| Sexy primes (2nd member) | 129th | |
| Sophie germain primes | 61st | |
| Roman numberals | MMIII | MMXV |
| Base 2 | 111110100112 | 111110111112 |
| Base 3 | 22020123 | 22021223 |
| Base 4 | 1331034 | 1331334 |
| Base 5 | 310035 | 310305 |
| Base 6 | 131356 | 131556 |
| Base 7 | 55617 | 56067 |
| Base 8 | 37238 | 37378 |
| Base 9 | 26659 | 26789 |
| Base 10 | 200310 | 201510 |
| Base 11 | 156111 | 157211 |
| Base 12 | 11ab12 | 11bb12 |
| Base 13 | bb113 | bc013 |
| Base 14 | a3114 | a3d14 |
| Base 15 | 8d815 | 8e515 |
| Base 16 | 7d316 | 7df16 |