Compare 13187 vs 13191
| Property | 13187 | 13191 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 131871 | 31 × 43971 |
| Prime factorization | 13187 | 3 × 4397 |
| Divisors count | 2 | 4 |
| Divisors | 1, 13187 | 1, 3, 4397, 13191 |
| Number of properties | 4 | 1 |
| Cousin primes (2nd member) | 255th | |
| Harmonic primes | 563rd | |
| Isolated primes | 1075th | |
| Primes | 1570th | |
| Semiprimes | 3415th | |
| Roman numberals | ||
| Base 2 | 110011100000112 | 110011100001112 |
| Base 3 | 2000021023 | 2000021203 |
| Base 4 | 30320034 | 30320134 |
| Base 5 | 4102225 | 4102315 |
| Base 6 | 1410156 | 1410236 |
| Base 7 | 533067 | 533137 |
| Base 8 | 316038 | 316078 |
| Base 9 | 200729 | 200769 |
| Base 10 | 1318710 | 1319110 |
| Base 11 | 99a911 | 9a0211 |
| Base 12 | 776b12 | 777312 |
| Base 13 | 600513 | 600913 |
| Base 14 | 4b3d14 | 4b4314 |
| Base 15 | 3d9215 | 3d9615 |
| Base 16 | 338316 | 338716 |