Compare 644129 vs 644135
| Property | 644129 | 644135 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6441291 | 51 × 471 × 27411 |
| Prime factorization | 644129 | 5 × 47 × 2741 |
| Divisors count | 2 | 8 |
| Divisors | 1, 644129 | 1, 5, 47, 235, 2741, 13705, 128827, 644135 |
| Number of properties | 5 | 0 |
| Chen primes | 20480th | |
| Primes | 52372nd | |
| Sexy primes (2nd member) | 11343rd | |
| Sexy prime triplets (3rd member) | 2080th | |
| Twin primes (1st member) | 5661st | |
| Roman numberals | ||
| Base 2 | 100111010100001000012 | 100111010100001001112 |
| Base 3 | 10122011201223 | 10122011202123 |
| Base 4 | 21311002014 | 21311002134 |
| Base 5 | 1311030045 | 1311030205 |
| Base 6 | 214500256 | 214500356 |
| Base 7 | 53216337 | 53216427 |
| Base 8 | 23520418 | 23520478 |
| Base 9 | 11815189 | 11815259 |
| Base 10 | 64412910 | 64413510 |
| Base 11 | 3aaa4211 | 3aaa4811 |
| Base 12 | 27091512 | 27091b12 |
| Base 13 | 19725513 | 19725b13 |
| Base 14 | 12aa5314 | 12aa5914 |
| Base 15 | cacbe15 | cacc515 |
| Base 16 | 9d42116 | 9d42716 |