Compare 13891 vs 13903
| Property | 13891 | 13903 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 291 × 4791 | 139031 |
| Prime factorization | 29 × 479 | 13903 |
| Divisors count | 4 | 2 |
| Divisors | 1, 29, 479, 13891 | 1, 13903 |
| Number of properties | 1 | 7 |
| Cousin primes (1st member) | 264th | |
| Emirps | 398th | |
| Happy primes | 277th | |
| Long primes | 639th | |
| Primes | 1643rd | |
| Prime triplets (2nd member) | 134th | |
| Semiprimes | 3587th | |
| Twin primes (2nd member) | 259th | |
| Roman numberals | ||
| Base 2 | 110110010000112 | 110110010011112 |
| Base 3 | 2010011113 | 2010012213 |
| Base 4 | 31210034 | 31210334 |
| Base 5 | 4210315 | 4211035 |
| Base 6 | 1441516 | 1442116 |
| Base 7 | 553337 | 553517 |
| Base 8 | 331038 | 331178 |
| Base 9 | 210449 | 210579 |
| Base 10 | 1389110 | 1390310 |
| Base 11 | a48911 | a49a11 |
| Base 12 | 805712 | 806712 |
| Base 13 | 642713 | 643613 |
| Base 14 | 50c314 | 50d114 |
| Base 15 | 41b115 | 41bd15 |
| Base 16 | 364316 | 364f16 |