Compare 16645 vs 16649
| Property | 16645 | 16649 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 33291 | 166491 |
| Prime factorization | 5 × 3329 | 16649 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 3329, 16645 | 1, 16649 |
| Number of properties | 1 | 5 |
| Chen primes | 970th | |
| Harmonic primes | 698th | |
| Primes | 1925th | |
| Pythagorean primes | 954th | |
| Semiprimes | 4261st | |
| Twin primes (1st member) | 293rd | |
| Roman numberals | ||
| Base 2 | 1000001000001012 | 1000001000010012 |
| Base 3 | 2112111113 | 2112111223 |
| Base 4 | 100100114 | 100100214 |
| Base 5 | 10130405 | 10130445 |
| Base 6 | 2050216 | 2050256 |
| Base 7 | 663467 | 663537 |
| Base 8 | 404058 | 404118 |
| Base 9 | 247449 | 247489 |
| Base 10 | 1664510 | 1664910 |
| Base 11 | 1156211 | 1156611 |
| Base 12 | 977112 | 977512 |
| Base 13 | 776513 | 776913 |
| Base 14 | 60cd14 | 60d314 |
| Base 15 | 4dea15 | 4dee15 |
| Base 16 | 410516 | 410916 |