Compare 1640 vs 1644
Property | 1640 | 1644 |
---|---|---|
Type | composite number | composite number |
Unique factors | 3 | 3 |
Total factors | 5 | 4 |
Prime factorization | 23 × 51 × 411 | 22 × 31 × 1371 |
Prime factorization | 2 × 2 × 2 × 5 × 41 | 2 × 2 × 3 × 137 |
Divisors count | 16 | 12 |
Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640 | 1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644 |
Number of properties | 0 | 0 |
Roman numberals | MDCXL | MDCXLIV |
Base 2 | 110011010002 | 110011011002 |
Base 3 | 20202023 | 20202203 |
Base 4 | 1212204 | 1212304 |
Base 5 | 230305 | 230345 |
Base 6 | 113326 | 113406 |
Base 7 | 45327 | 45367 |
Base 8 | 31508 | 31548 |
Base 9 | 22229 | 22269 |
Base 10 | 164010 | 164410 |
Base 11 | 126111 | 126511 |
Base 12 | b4812 | b5012 |
Base 13 | 99213 | 99613 |
Base 14 | 85214 | 85614 |
Base 15 | 74515 | 74915 |
Base 16 | 66816 | 66c16 |