Compare 641279 vs 641281
| Property | 641279 | 641281 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6412791 | 411 × 156411 |
| Prime factorization | 641279 | 41 × 15641 |
| Divisors count | 2 | 4 |
| Divisors | 1, 641279 | 1, 41, 15641, 641281 |
| Number of properties | 4 | 1 |
| Additive primes | 20389th | |
| Chen primes | 20409th | |
| Isolated primes | 40892nd | |
| Primes | 52169th | |
| Semiprimes | 137405th | |
| Roman numberals | ||
| Base 2 | 100111001000111111112 | 100111001001000000012 |
| Base 3 | 10121202000023 | 10121202000113 |
| Base 4 | 21302033334 | 21302100014 |
| Base 5 | 1310101045 | 1310101115 |
| Base 6 | 214245156 | 214245216 |
| Base 7 | 53104227 | 53104247 |
| Base 8 | 23443778 | 23444018 |
| Base 9 | 11766029 | 11766049 |
| Base 10 | 64127910 | 64128110 |
| Base 11 | 3a889111 | 3a889311 |
| Base 12 | 26b13b12 | 26b14112 |
| Base 13 | 195b7213 | 195b7413 |
| Base 14 | 1299b914 | 1299bb14 |
| Base 15 | ca01e15 | ca02115 |
| Base 16 | 9c8ff16 | 9c90116 |