Compare 671261 vs 671271
| Property | 671261 | 671271 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6712611 | 31 × 2237571 |
| Prime factorization | 671261 | 3 × 223757 |
| Divisors count | 2 | 4 |
| Divisors | 1, 671261 | 1, 3, 223757, 671271 |
| Number of properties | 4 | 1 |
| Additive primes | 21243rd | |
| Cousin primes (2nd member) | 5866th | |
| Isolated primes | 42670th | |
| Primes | 54405th | |
| Semiprimes | 143554th | |
| Roman numberals | ||
| Base 2 | 101000111110000111012 | 101000111110001001112 |
| Base 3 | 10210022101123 | 10210022102203 |
| Base 4 | 22033201314 | 22033202134 |
| Base 5 | 1324400215 | 1324400415 |
| Base 6 | 222154056 | 222154236 |
| Base 7 | 54640137 | 54640267 |
| Base 8 | 24370358 | 24370478 |
| Base 9 | 12327159 | 12327269 |
| Base 10 | 67126110 | 67127110 |
| Base 11 | 41936811 | 41937711 |
| Base 12 | 28456512 | 28457312 |
| Base 13 | 1a66c613 | 1a670313 |
| Base 14 | 1368b314 | 1368bd14 |
| Base 15 | d3d5b15 | d3d6615 |
| Base 16 | a3e1d16 | a3e2716 |