Compare 639670 vs 639679
| Property | 639670 | 639679 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 51 × 471 × 13611 | 6396791 |
| Prime factorization | 2 × 5 × 47 × 1361 | 639679 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 5, 10, 47, 94, 235, 470, 1361, 2722, 6805, 13610, 63967, 127934, 319835, 639670 | 1, 639679 |
| Number of properties | 0 | 2 |
| Primes | 52052nd | |
| Twin primes (2nd member) | 5629th | |
| Roman numberals | ||
| Base 2 | 100111000010101101102 | 100111000010101111112 |
| Base 3 | 10121111101113 | 10121111102113 |
| Base 4 | 21300223124 | 21300223334 |
| Base 5 | 1304321405 | 1304322045 |
| Base 6 | 214132346 | 214132516 |
| Base 7 | 53026337 | 53026457 |
| Base 8 | 23412668 | 23412778 |
| Base 9 | 11744149 | 11744249 |
| Base 10 | 63967010 | 63967910 |
| Base 11 | 3a765911 | 3a766711 |
| Base 12 | 26a21a12 | 26a22712 |
| Base 13 | 19520513 | 19521113 |
| Base 14 | 12918a14 | 12919514 |
| Base 15 | c97ea15 | c980415 |
| Base 16 | 9c2b616 | 9c2bf16 |