Compare 644129 vs 644138
| Property | 644129 | 644138 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 5 |
| Total factors | 1 | 5 |
| Prime factorization | 6441291 | 21 × 111 × 191 × 231 × 671 |
| Prime factorization | 644129 | 2 × 11 × 19 × 23 × 67 |
| Divisors count | 2 | 32 |
| Divisors | 1, 644129 | 1, 2, 11, 19, 22, 23, 38, 46, 67, 134, 209, 253, 418, 437, 506, 737, 874, 1273, 1474, 1541, 2546, 3082, 4807, 9614, 14003, 16951, 28006, 29279, 33902, 58558, 322069, 644138 |
| 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 | 100111010100001010102 |
| Base 3 | 10122011201223 | 10122011202223 |
| Base 4 | 21311002014 | 21311002224 |
| Base 5 | 1311030045 | 1311030235 |
| Base 6 | 214500256 | 214500426 |
| Base 7 | 53216337 | 53216457 |
| Base 8 | 23520418 | 23520528 |
| Base 9 | 11815189 | 11815289 |
| Base 10 | 64412910 | 64413810 |
| Base 11 | 3aaa4211 | 3aaa5011 |
| Base 12 | 27091512 | 27092212 |
| Base 13 | 19725513 | 19726113 |
| Base 14 | 12aa5314 | 12aa5c14 |
| Base 15 | cacbe15 | cacc815 |
| Base 16 | 9d42116 | 9d42a16 |