Compare 503 vs 506
| Property | 503 | 506 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 5031 | 21 × 111 × 231 |
| Prime factorization | 503 | 2 × 11 × 23 |
| Divisors count | 2 | 8 |
| Divisors | 1, 503 | 1, 2, 11, 22, 23, 46, 253, 506 |
| Number of properties | 9 | 0 |
| Chen primes | 68th | |
| Cousin primes (2nd member) | 27th | |
| Harmonic primes | 40th | |
| Isolated primes | 49th | |
| Long primes | 36th | |
| Primes | 96th | |
| Safe primes | 18th | |
| Sexy primes (1st member) | 47th | |
| Solinas primes | 37th | |
| Roman numberals | DIII | DVI |
| Base 2 | 1111101112 | 1111110102 |
| Base 3 | 2001223 | 2002023 |
| Base 4 | 133134 | 133224 |
| Base 5 | 40035 | 40115 |
| Base 6 | 21556 | 22026 |
| Base 7 | 13167 | 13227 |
| Base 8 | 7678 | 7728 |
| Base 9 | 6189 | 6229 |
| Base 10 | 50310 | 50610 |
| Base 11 | 41811 | 42011 |
| Base 12 | 35b12 | 36212 |
| Base 13 | 2c913 | 2cc13 |
| Base 14 | 27d14 | 28214 |
| Base 15 | 23815 | 23b15 |
| Base 16 | 1f716 | 1fa16 |