Compare 2858 vs 2861
| Property | 2858 | 2861 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 14291 | 28611 |
| Prime factorization | 2 × 1429 | 2861 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 1429, 2858 | 1, 2861 |
| Number of properties | 1 | 7 |
| Additive primes | 216th | |
| Chen primes | 247th | |
| Cousin primes (2nd member) | 86th | |
| Isolated primes | 257th | |
| Long primes | 168th | |
| Primes | 416th | |
| Pythagorean primes | 205th | |
| Semiprimes | 797th | |
| Roman numberals | MMDCCCLVIII | MMDCCCLXI |
| Base 2 | 1011001010102 | 1011001011012 |
| Base 3 | 102202123 | 102202223 |
| Base 4 | 2302224 | 2302314 |
| Base 5 | 424135 | 424215 |
| Base 6 | 211226 | 211256 |
| Base 7 | 112227 | 112257 |
| Base 8 | 54528 | 54558 |
| Base 9 | 38259 | 38289 |
| Base 10 | 285810 | 286110 |
| Base 11 | 216911 | 217111 |
| Base 12 | 17a212 | 17a512 |
| Base 13 | 13bb13 | 13c113 |
| Base 14 | 108214 | 108514 |
| Base 15 | ca815 | cab15 |
| Base 16 | b2a16 | b2d16 |