Compare 642736 vs 642739
| Property | 642736 | 642739 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 172 × 1391 | 6427391 |
| Prime factorization | 2 × 2 × 2 × 2 × 17 × 17 × 139 | 642739 |
| Divisors count | 30 | 2 |
| Divisors | 1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 289, 556, 578, 1112, 1156, 2224, 2312, 2363, 4624, 4726, 9452, 18904, 37808, 40171, 80342, 160684, 321368, 642736 | 1, 642739 |
| Number of properties | 0 | 4 |
| Additive primes | 20429th | |
| Primes | 52269th | |
| Twin primes (2nd member) | 5653rd | |
| Ulam primes | 3833rd | |
| Roman numberals | ||
| Base 2 | 100111001110101100002 | 100111001110101100112 |
| Base 3 | 10121222000013 | 10121222000113 |
| Base 4 | 21303223004 | 21303223034 |
| Base 5 | 1310314215 | 1310314245 |
| Base 6 | 214353446 | 214353516 |
| Base 7 | 53146037 | 53146067 |
| Base 8 | 23472608 | 23472638 |
| Base 9 | 11786019 | 11786049 |
| Base 10 | 64273610 | 64273910 |
| Base 11 | 3a999611 | 3a999911 |
| Base 12 | 26bb5412 | 26bb5712 |
| Base 13 | 19672313 | 19672613 |
| Base 14 | 12a33a14 | 12a33d14 |
| Base 15 | ca69115 | ca69415 |
| Base 16 | 9ceb016 | 9ceb316 |