Compare 1641 vs 1647
| Property | 1641 | 1647 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 5471 | 33 × 611 |
| Prime factorization | 3 × 547 | 3 × 3 × 3 × 61 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 547, 1641 | 1, 3, 9, 27, 61, 183, 549, 1647 |
| Number of properties | 1 | 0 |
| Semiprimes | 470th | |
| Roman numberals | MDCXLI | MDCXLVII |
| Base 2 | 110011010012 | 110011011112 |
| Base 3 | 20202103 | 20210003 |
| Base 4 | 1212214 | 1212334 |
| Base 5 | 230315 | 230425 |
| Base 6 | 113336 | 113436 |
| Base 7 | 45337 | 45427 |
| Base 8 | 31518 | 31578 |
| Base 9 | 22239 | 22309 |
| Base 10 | 164110 | 164710 |
| Base 11 | 126211 | 126811 |
| Base 12 | b4912 | b5312 |
| Base 13 | 99313 | 99913 |
| Base 14 | 85314 | 85914 |
| Base 15 | 74615 | 74c15 |
| Base 16 | 66916 | 66f16 |