Compare 208139 vs 208149
| Property | 208139 | 208149 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2081391 | 31 × 693831 |
| Prime factorization | 208139 | 3 × 69383 |
| Divisors count | 2 | 4 |
| Divisors | 1, 208139 | 1, 3, 69383, 208149 |
| Number of properties | 5 | 1 |
| Additive primes | 7527th | |
| Chen primes | 7789th | |
| Long primes | 6978th | |
| Primes | 18647th | |
| Semiprimes | 46978th | |
| Twin primes (1st member) | 2233rd | |
| Roman numberals | ||
| Base 2 | 1100101101000010112 | 1100101101000101012 |
| Base 3 | 1011201112123 | 1011201120203 |
| Base 4 | 3023100234 | 3023101114 |
| Base 5 | 231300245 | 231300445 |
| Base 6 | 42433356 | 42433536 |
| Base 7 | 15245517 | 15245647 |
| Base 8 | 6264138 | 6264258 |
| Base 9 | 3464559 | 3464669 |
| Base 10 | 20813910 | 20814910 |
| Base 11 | 13241811 | 13242711 |
| Base 12 | a054b12 | a055912 |
| Base 13 | 7397913 | 7398613 |
| Base 14 | 55bd114 | 55bdb14 |
| Base 15 | 41a0e15 | 41a1915 |
| Base 16 | 32d0b16 | 32d1516 |