Compare 2003 vs 2006
| Property | 2003 | 2006 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 3 | 
| Total factors | 1 | 3 | 
| Prime factorization | 20031 | 21 × 171 × 591 | 
| Prime factorization | 2003 | 2 × 17 × 59 | 
| Divisors count | 2 | 8 | 
| Divisors | 1, 2003 | 1, 2, 17, 34, 59, 118, 1003, 2006 | 
| 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 | MMVI | 
| Base 2 | 111110100112 | 111110101102 | 
| Base 3 | 22020123 | 22020223 | 
| Base 4 | 1331034 | 1331124 | 
| Base 5 | 310035 | 310115 | 
| Base 6 | 131356 | 131426 | 
| Base 7 | 55617 | 55647 | 
| Base 8 | 37238 | 37268 | 
| Base 9 | 26659 | 26689 | 
| Base 10 | 200310 | 200610 | 
| Base 11 | 156111 | 156411 | 
| Base 12 | 11ab12 | 11b212 | 
| Base 13 | bb113 | bb413 | 
| Base 14 | a3114 | a3414 | 
| Base 15 | 8d815 | 8db15 | 
| Base 16 | 7d316 | 7d616 |