Compare 405239 vs 405242
| Property | 405239 | 405242 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4052391 | 21 × 2026211 |
| Prime factorization | 405239 | 2 × 202621 |
| Divisors count | 2 | 4 |
| Divisors | 1, 405239 | 1, 2, 202621, 405242 |
| Number of properties | 5 | 1 |
| Additive primes | 13530th | |
| Chen primes | 13807th | |
| Good primes | 1559th | |
| Primes | 34240th | |
| Semiprimes | 88680th | |
| Twin primes (1st member) | 3848th | |
| Roman numberals | ||
| Base 2 | 11000101110111101112 | 11000101110111110102 |
| Base 3 | 2021202122123 | 2021202122223 |
| Base 4 | 12023233134 | 12023233224 |
| Base 5 | 1004314245 | 1004314325 |
| Base 6 | 124040356 | 124040426 |
| Base 7 | 33053127 | 33053157 |
| Base 8 | 14273678 | 14273728 |
| Base 9 | 6767859 | 6767889 |
| Base 10 | 40523910 | 40524210 |
| Base 11 | 25750a11 | 25751211 |
| Base 12 | 17661b12 | 17662212 |
| Base 13 | 1125b313 | 1125b613 |
| Base 14 | a797914 | a797c14 |
| Base 15 | 8010e15 | 8011215 |
| Base 16 | 62ef716 | 62efa16 |