Compare 642129 vs 642135
| Property | 642129 | 642135 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 5 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 2140431 | 31 × 51 × 131 × 371 × 891 |
| Prime factorization | 3 × 214043 | 3 × 5 × 13 × 37 × 89 |
| Divisors count | 4 | 32 |
| Divisors | 1, 3, 214043, 642129 | 1, 3, 5, 13, 15, 37, 39, 65, 89, 111, 185, 195, 267, 445, 481, 555, 1157, 1335, 1443, 2405, 3293, 3471, 5785, 7215, 9879, 16465, 17355, 42809, 49395, 128427, 214045, 642135 |
| Number of properties | 1 | 0 |
| Semiprimes | 137579th | |
| Roman numberals | ||
| Base 2 | 100111001100010100012 | 100111001100010101112 |
| Base 3 | 10121212111203 | 10121212112103 |
| Base 4 | 21303011014 | 21303011134 |
| Base 5 | 1310220045 | 1310220205 |
| Base 6 | 214324536 | 214325036 |
| Base 7 | 53130457 | 53130547 |
| Base 8 | 23461218 | 23461278 |
| Base 9 | 11777469 | 11777539 |
| Base 10 | 64212910 | 64213510 |
| Base 11 | 3a949411 | 3a949a11 |
| Base 12 | 26b72912 | 26b73312 |
| Base 13 | 19637713 | 19638013 |
| Base 14 | 12a02514 | 12a02b14 |
| Base 15 | ca3d915 | ca3e015 |
| Base 16 | 9cc5116 | 9cc5716 |