Compare 1661 vs 1671
Property | 1661 | 1671 |
---|---|---|
Type | semiprime | semiprime |
Unique factors | 2 | 2 |
Total factors | 2 | 2 |
Prime factorization | 111 × 1511 | 31 × 5571 |
Prime factorization | 11 × 151 | 3 × 557 |
Divisors count | 4 | 4 |
Divisors | 1, 11, 151, 1661 | 1, 3, 557, 1671 |
Number of properties | 1 | 1 |
Semiprimes | 479th | 480th |
Roman numberals | MDCLXI | MDCLXXI |
Base 2 | 110011111012 | 110100001112 |
Base 3 | 20211123 | 20212203 |
Base 4 | 1213314 | 1220134 |
Base 5 | 231215 | 231415 |
Base 6 | 114056 | 114236 |
Base 7 | 45627 | 46057 |
Base 8 | 31758 | 32078 |
Base 9 | 22459 | 22569 |
Base 10 | 166110 | 167110 |
Base 11 | 128011 | 128a11 |
Base 12 | b6512 | b7312 |
Base 13 | 9aa13 | 9b713 |
Base 14 | 86914 | 87514 |
Base 15 | 75b15 | 76615 |
Base 16 | 67d16 | 68716 |