Compare 13387 vs 13399
| Property | 13387 | 13399 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 111 × 12171 | 133991 |
| Prime factorization | 11 × 1217 | 13399 |
| Divisors count | 4 | 2 |
| Divisors | 1, 11, 1217, 13387 | 1, 13399 |
| Number of properties | 1 | 3 |
| Primes | 1589th | |
| Semiprimes | 3466th | |
| Twin primes (2nd member) | 251st | |
| Ulam primes | 114th | |
| Roman numberals | ||
| Base 2 | 110100010010112 | 110100010101112 |
| Base 3 | 2001002113 | 2001010213 |
| Base 4 | 31010234 | 31011134 |
| Base 5 | 4120225 | 4120445 |
| Base 6 | 1415516 | 1420116 |
| Base 7 | 540137 | 540317 |
| Base 8 | 321138 | 321278 |
| Base 9 | 203249 | 203379 |
| Base 10 | 1338710 | 1339910 |
| Base 11 | a07011 | a08111 |
| Base 12 | 78b712 | 790712 |
| Base 13 | 612a13 | 613913 |
| Base 14 | 4c4314 | 4c5114 |
| Base 15 | 3e7715 | 3e8415 |
| Base 16 | 344b16 | 345716 |