Compare 18001 vs 18013
| Property | 18001 | 18013 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 471 × 3831 | 180131 |
| Prime factorization | 47 × 383 | 18013 |
| Divisors count | 4 | 2 |
| Divisors | 1, 47, 383, 18001 | 1, 18013 |
| Number of properties | 1 | 5 |
| Additive primes | 972nd | |
| Emirps | 556th | |
| Isolated primes | 1436th | |
| Primes | 2065th | |
| Pythagorean primes | 1018th | |
| Semiprimes | 4589th | |
| Roman numberals | ||
| Base 2 | 1000110010100012 | 1000110010111012 |
| Base 3 | 2202002013 | 2202010113 |
| Base 4 | 101211014 | 101211314 |
| Base 5 | 10340015 | 10340235 |
| Base 6 | 2152016 | 2152216 |
| Base 7 | 1033247 | 1033427 |
| Base 8 | 431218 | 431358 |
| Base 9 | 266219 | 266349 |
| Base 10 | 1800110 | 1801310 |
| Base 11 | 1258511 | 1259611 |
| Base 12 | a50112 | a51112 |
| Base 13 | 826913 | 827813 |
| Base 14 | 67bb14 | 67c914 |
| Base 15 | 550115 | 550d15 |
| Base 16 | 465116 | 465d16 |