Compare 639140 vs 639151
| Property | 639140 | 639151 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 319571 | 6391511 |
| Prime factorization | 2 × 2 × 5 × 31957 | 639151 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 31957, 63914, 127828, 159785, 319570, 639140 | 1, 639151 |
| Number of properties | 0 | 3 |
| Isolated primes | 40765th | |
| Primes | 52012th | |
| Sexy primes (1st member) | 11271st | |
| Roman numberals | ||
| Base 2 | 100111000000101001002 | 100111000000101011112 |
| Base 3 | 10121102012123 | 10121102020213 |
| Base 4 | 21300022104 | 21300022334 |
| Base 5 | 1304230305 | 1304231015 |
| Base 6 | 214105526 | 214110116 |
| Base 7 | 53012457 | 53012627 |
| Base 8 | 23402448 | 23402578 |
| Base 9 | 11736559 | 11736679 |
| Base 10 | 63914010 | 63915110 |
| Base 11 | 3a721711 | 3a722711 |
| Base 12 | 269a5812 | 269a6712 |
| Base 13 | 194bb813 | 194bc613 |
| Base 14 | 128ccc14 | 128cd914 |
| Base 15 | c959515 | c95a115 |
| Base 16 | 9c0a416 | 9c0af16 |