Compare 31009 vs 31013
| Property | 31009 | 31013 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 28191 | 310131 |
| Prime factorization | 11 × 2819 | 31013 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 2819, 31009 | 1, 31013 |
| Number of properties | 1 | 6 |
| Chen primes | 1598th | |
| Isolated primes | 2386th | |
| Palindromic primes | 52nd | |
| Primes | 3341st | |
| Pythagorean primes | 1664th | |
| Semiprimes | 7709th | |
| Sexy primes (1st member) | 977th | |
| Roman numberals | ||
| Base 2 | 1111001001000012 | 1111001001001012 |
| Base 3 | 11201121113 | 11201121223 |
| Base 4 | 132102014 | 132102114 |
| Base 5 | 14430145 | 14430235 |
| Base 6 | 3553216 | 3553256 |
| Base 7 | 1562567 | 1562637 |
| Base 8 | 744418 | 744458 |
| Base 9 | 464749 | 464789 |
| Base 10 | 3100910 | 3101310 |
| Base 11 | 2133011 | 2133411 |
| Base 12 | 15b4112 | 15b4512 |
| Base 13 | 1116413 | 1116813 |
| Base 14 | b42d14 | b43314 |
| Base 15 | 92c415 | 92c815 |
| Base 16 | 792116 | 792516 |