Compare 4045 vs 4049
| Property | 4045 | 4049 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 8091 | 40491 |
| Prime factorization | 5 × 809 | 4049 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 809, 4045 | 1, 4049 |
| Number of properties | 1 | 5 |
| Additive primes | 287th | |
| Chen primes | 324th | |
| Primes | 558th | |
| Pythagorean primes | 273rd | |
| Semiprimes | 1115th | |
| Twin primes (1st member) | 106th | |
| Roman numberals | MMMMXLV | MMMMXLIX |
| Base 2 | 1111110011012 | 1111110100012 |
| Base 3 | 121122113 | 121122223 |
| Base 4 | 3330314 | 3331014 |
| Base 5 | 1121405 | 1121445 |
| Base 6 | 304216 | 304256 |
| Base 7 | 145367 | 145437 |
| Base 8 | 77158 | 77218 |
| Base 9 | 54849 | 54889 |
| Base 10 | 404510 | 404910 |
| Base 11 | 304811 | 305111 |
| Base 12 | 241112 | 241512 |
| Base 13 | 1ac213 | 1ac613 |
| Base 14 | 168d14 | 169314 |
| Base 15 | 12ea15 | 12ee15 |
| Base 16 | fcd16 | fd116 |