Compare 1644 vs 1648
| Property | 1644 | 1648 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 5 |
| Prime factorization | 22 × 31 × 1371 | 24 × 1031 |
| Prime factorization | 2 × 2 × 3 × 137 | 2 × 2 × 2 × 2 × 103 |
| Divisors count | 12 | 10 |
| Divisors | 1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644 | 1, 2, 4, 8, 16, 103, 206, 412, 824, 1648 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCXLIV | MDCXLVIII |
| Base 2 | 110011011002 | 110011100002 |
| Base 3 | 20202203 | 20210013 |
| Base 4 | 1212304 | 1213004 |
| Base 5 | 230345 | 230435 |
| Base 6 | 113406 | 113446 |
| Base 7 | 45367 | 45437 |
| Base 8 | 31548 | 31608 |
| Base 9 | 22269 | 22319 |
| Base 10 | 164410 | 164810 |
| Base 11 | 126511 | 126911 |
| Base 12 | b5012 | b5412 |
| Base 13 | 99613 | 99a13 |
| Base 14 | 85614 | 85a14 |
| Base 15 | 74915 | 74d15 |
| Base 16 | 66c16 | 67016 |