Compare 258157 vs 258166
| Property | 258157 | 258166 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2581571 | 21 × 1290831 |
| Prime factorization | 258157 | 2 × 129083 |
| Divisors count | 2 | 4 |
| Divisors | 1, 258157 | 1, 2, 129083, 258166 |
| Number of properties | 3 | 1 |
| Cousin primes (1st member) | 2649th | |
| Isolated primes | 17388th | |
| Primes | 22689th | |
| Semiprimes | 57680th | |
| Roman numberals | ||
| Base 2 | 1111110000011011012 | 1111110000011101102 |
| Base 3 | 1110100101013 | 1110100102013 |
| Base 4 | 3330012314 | 3330013124 |
| Base 5 | 312301125 | 312301315 |
| Base 6 | 53111016 | 53111146 |
| Base 7 | 21234347 | 21234467 |
| Base 8 | 7701558 | 7701668 |
| Base 9 | 4331119 | 4331219 |
| Base 10 | 25815710 | 25816610 |
| Base 11 | 166a5911 | 166a6711 |
| Base 12 | 10549112 | 10549a12 |
| Base 13 | 9067313 | 9067c13 |
| Base 14 | 6a11b14 | 6a12614 |
| Base 15 | 5175715 | 5176115 |
| Base 16 | 3f06d16 | 3f07616 |