Compare 663407 vs 663419
| Property | 663407 | 663419 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6634071 | 831 × 79931 |
| Prime factorization | 663407 | 83 × 7993 |
| Divisors count | 2 | 4 |
| Divisors | 1, 663407 | 1, 83, 7993, 663419 |
| Number of properties | 3 | 1 |
| Chen primes | 21047th | |
| Primes | 53820th | |
| Semiprimes | 141942nd | |
| Twin primes (1st member) | 5807th | |
| Roman numberals | ||
| Base 2 | 101000011111011011112 | 101000011111011110112 |
| Base 3 | 10202010001223 | 10202010010023 |
| Base 4 | 22013312334 | 22013313234 |
| Base 5 | 1322121125 | 1322121345 |
| Base 6 | 221151556 | 221152156 |
| Base 7 | 54320637 | 54321117 |
| Base 8 | 24175578 | 24175738 |
| Base 9 | 12210189 | 12210329 |
| Base 10 | 66340710 | 66341910 |
| Base 11 | 41347811 | 41348911 |
| Base 12 | 27babb12 | 27bb0b12 |
| Base 13 | 1a2c6413 | 1a2c7313 |
| Base 14 | 133aa314 | 133ab114 |
| Base 15 | d187215 | d187e15 |
| Base 16 | a1f6f16 | a1f7b16 |