Compare 399439 vs 399442
| Property | 399439 | 399442 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 3994391 | 21 × 1997211 |
| Prime factorization | 399439 | 2 × 199721 |
| Divisors count | 2 | 4 |
| Divisors | 1, 399439 | 1, 2, 199721, 399442 |
| Number of properties | 4 | 1 |
| Additive primes | 13355th | |
| Isolated primes | 26216th | |
| Primes | 33815th | |
| Semiprimes | 87436th | |
| Sexy primes (2nd member) | 7644th | |
| Roman numberals | ||
| Base 2 | 11000011000010011112 | 11000011000010100102 |
| Base 3 | 2020212210013 | 2020212210113 |
| Base 4 | 12012010334 | 12012011024 |
| Base 5 | 1002402245 | 1002402325 |
| Base 6 | 123211316 | 123211346 |
| Base 7 | 32523557 | 32523617 |
| Base 8 | 14141178 | 14141228 |
| Base 9 | 6678319 | 6678349 |
| Base 10 | 39943910 | 39944210 |
| Base 11 | 25311711 | 25311a11 |
| Base 12 | 1731a712 | 1731aa12 |
| Base 13 | 10ca7113 | 10ca7413 |
| Base 14 | a57d514 | a57d814 |
| Base 15 | 7d54415 | 7d54715 |
| Base 16 | 6184f16 | 6185216 |