Compare 16649 vs 16660
| Property | 16649 | 16660 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 6 |
| Prime factorization | 166491 | 22 × 51 × 72 × 171 |
| Prime factorization | 16649 | 2 × 2 × 5 × 7 × 7 × 17 |
| Divisors count | 2 | 36 |
| Divisors | 1, 16649 | 1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660 |
| Number of properties | 5 | 0 |
| Chen primes | 970th | |
| Harmonic primes | 698th | |
| Primes | 1925th | |
| Pythagorean primes | 954th | |
| Twin primes (1st member) | 293rd | |
| Roman numberals | ||
| Base 2 | 1000001000010012 | 1000001000101002 |
| Base 3 | 2112111223 | 2112120013 |
| Base 4 | 100100214 | 100101104 |
| Base 5 | 10130445 | 10131205 |
| Base 6 | 2050256 | 2050446 |
| Base 7 | 663537 | 664007 |
| Base 8 | 404118 | 404248 |
| Base 9 | 247489 | 247619 |
| Base 10 | 1664910 | 1666010 |
| Base 11 | 1156611 | 1157611 |
| Base 12 | 977512 | 978412 |
| Base 13 | 776913 | 777713 |
| Base 14 | 60d314 | 610014 |
| Base 15 | 4dee15 | 4e0a15 |
| Base 16 | 410916 | 411416 |