Compare 1628 vs 1637
| Property | 1628 | 1637 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 111 × 371 | 16371 |
| Prime factorization | 2 × 2 × 11 × 37 | 1637 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628 | 1, 1637 |
| Number of properties | 0 | 5 |
| Additive primes | 138th | |
| Chen primes | 164th | |
| Isolated primes | 156th | |
| Primes | 259th | |
| Pythagorean primes | 124th | |
| Roman numberals | MDCXXVIII | MDCXXXVII |
| Base 2 | 110010111002 | 110011001012 |
| Base 3 | 20200223 | 20201223 |
| Base 4 | 1211304 | 1212114 |
| Base 5 | 230035 | 230225 |
| Base 6 | 113126 | 113256 |
| Base 7 | 45147 | 45267 |
| Base 8 | 31348 | 31458 |
| Base 9 | 22089 | 22189 |
| Base 10 | 162810 | 163710 |
| Base 11 | 125011 | 125911 |
| Base 12 | b3812 | b4512 |
| Base 13 | 98313 | 98c13 |
| Base 14 | 84414 | 84d14 |
| Base 15 | 73815 | 74215 |
| Base 16 | 65c16 | 66516 |