Compare 1639 vs 1643
Property | 1639 | 1643 |
---|---|---|
Type | semiprime | semiprime |
Unique factors | 2 | 2 |
Total factors | 2 | 2 |
Prime factorization | 111 × 1491 | 311 × 531 |
Prime factorization | 11 × 149 | 31 × 53 |
Divisors count | 4 | 4 |
Divisors | 1, 11, 149, 1639 | 1, 31, 53, 1643 |
Number of properties | 1 | 1 |
Semiprimes | 469th | 472nd |
Roman numberals | MDCXXXIX | MDCXLIII |
Base 2 | 110011001112 | 110011010112 |
Base 3 | 20202013 | 20202123 |
Base 4 | 1212134 | 1212234 |
Base 5 | 230245 | 230335 |
Base 6 | 113316 | 113356 |
Base 7 | 45317 | 45357 |
Base 8 | 31478 | 31538 |
Base 9 | 22219 | 22259 |
Base 10 | 163910 | 164310 |
Base 11 | 126011 | 126411 |
Base 12 | b4712 | b4b12 |
Base 13 | 99113 | 99513 |
Base 14 | 85114 | 85514 |
Base 15 | 74415 | 74815 |
Base 16 | 66716 | 66b16 |