Compare 8639 vs 8642
| Property | 8639 | 8642 | 
|---|---|---|
| Type | semiprime | composite number | 
| Unique factors | 2 | 3 | 
| Total factors | 2 | 3 | 
| Prime factorization | 531 × 1631 | 21 × 291 × 1491 | 
| Prime factorization | 53 × 163 | 2 × 29 × 149 | 
| Divisors count | 4 | 8 | 
| Divisors | 1, 53, 163, 8639 | 1, 2, 29, 58, 149, 298, 4321, 8642 | 
| Number of properties | 1 | 0 | 
| Semiprimes | 2301st | |
| Roman numberals | ||
| Base 2 | 100001101111112 | 100001110000102 | 
| Base 3 | 1022112223 | 1022120023 | 
| Base 4 | 20123334 | 20130024 | 
| Base 5 | 2340245 | 2340325 | 
| Base 6 | 1035556 | 1040026 | 
| Base 7 | 341217 | 341247 | 
| Base 8 | 206778 | 207028 | 
| Base 9 | 127589 | 127629 | 
| Base 10 | 863910 | 864210 | 
| Base 11 | 654411 | 654711 | 
| Base 12 | 4bbb12 | 500212 | 
| Base 13 | 3c1713 | 3c1a13 | 
| Base 14 | 321114 | 321414 | 
| Base 15 | 285e15 | 286215 | 
| Base 16 | 21bf16 | 21c216 |