Compare 1908 vs 1913
| Property | 1908 | 1913 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 22 × 32 × 531 | 19131 |
| Prime factorization | 2 × 2 × 3 × 3 × 53 | 1913 |
| Divisors count | 18 | 2 |
| Divisors | 1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908 | 1, 1913 |
| Number of properties | 0 | 9 |
| Chen primes | 181st | |
| Emirps | 93rd | |
| Isolated primes | 178th | |
| Long primes | 114th | |
| Primes | 293rd | |
| Pythagorean primes | 142nd | |
| Sexy primes (2nd member) | 125th | |
| Sexy prime triplets (3rd member) | 49th | |
| Super primes | 62nd | |
| Roman numberals | MCMVIII | MCMXIII |
| Base 2 | 111011101002 | 111011110012 |
| Base 3 | 21212003 | 21212123 |
| Base 4 | 1313104 | 1313214 |
| Base 5 | 301135 | 301235 |
| Base 6 | 125006 | 125056 |
| Base 7 | 53647 | 54027 |
| Base 8 | 35648 | 35718 |
| Base 9 | 25509 | 25559 |
| Base 10 | 190810 | 191310 |
| Base 11 | 148511 | 148a11 |
| Base 12 | 113012 | 113512 |
| Base 13 | b3a13 | b4213 |
| Base 14 | 9a414 | 9a914 |
| Base 15 | 87315 | 87815 |
| Base 16 | 77416 | 77916 |