Compare 16642 vs 16651
| Property | 16642 | 16651 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 531 × 1571 | 166511 |
| Prime factorization | 2 × 53 × 157 | 16651 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 53, 106, 157, 314, 8321, 16642 | 1, 16651 |
| Number of properties | 0 | 7 |
| Additive primes | 917th | |
| Cuban primes 1 | 34th | |
| Emirps | 507th | |
| Primes | 1926th | |
| Sexy primes (1st member) | 602nd | |
| Twin primes (2nd member) | 293rd | |
| Ulam primes | 144th | |
| Roman numberals | ||
| Base 2 | 1000001000000102 | 1000001000010112 |
| Base 3 | 2112111013 | 2112112013 |
| Base 4 | 100100024 | 100100234 |
| Base 5 | 10130325 | 10131015 |
| Base 6 | 2050146 | 2050316 |
| Base 7 | 663437 | 663557 |
| Base 8 | 404028 | 404138 |
| Base 9 | 247419 | 247519 |
| Base 10 | 1664210 | 1665110 |
| Base 11 | 1155a11 | 1156811 |
| Base 12 | 976a12 | 977712 |
| Base 13 | 776213 | 776b13 |
| Base 14 | 60ca14 | 60d514 |
| Base 15 | 4de715 | 4e0115 |
| Base 16 | 410216 | 410b16 |