Compare 639743 vs 639747
| Property | 639743 | 639747 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 131 × 492111 | 32 × 311 × 22931 |
| Prime factorization | 13 × 49211 | 3 × 3 × 31 × 2293 |
| Divisors count | 4 | 12 |
| Divisors | 1, 13, 49211, 639743 | 1, 3, 9, 31, 93, 279, 2293, 6879, 20637, 71083, 213249, 639747 |
| Number of properties | 1 | 0 |
| Semiprimes | 137083rd | |
| Roman numberals | ||
| Base 2 | 100111000010111111112 | 100111000011000000112 |
| Base 3 | 10121111200123 | 10121111201003 |
| Base 4 | 21300233334 | 21300300034 |
| Base 5 | 1304324335 | 1304324425 |
| Base 6 | 214134356 | 214134436 |
| Base 7 | 53030667 | 53031037 |
| Base 8 | 23413778 | 23414038 |
| Base 9 | 11745059 | 11745109 |
| Base 10 | 63974310 | 63974710 |
| Base 11 | 3a771511 | 3a771911 |
| Base 12 | 26a27b12 | 26a28312 |
| Base 13 | 19526013 | 19526413 |
| Base 14 | 1291dd14 | 12920314 |
| Base 15 | c984815 | c984c15 |
| Base 16 | 9c2ff16 | 9c30316 |