Compare 1658 vs 1664
| Property | 1658 | 1664 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 8 |
| Prime factorization | 21 × 8291 | 27 × 131 |
| Prime factorization | 2 × 829 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 829, 1658 | 1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664 |
| Number of properties | 1 | 0 |
| Semiprimes | 478th | |
| Roman numberals | MDCLVIII | MDCLXIV |
| Base 2 | 110011110102 | 110100000002 |
| Base 3 | 20211023 | 20211223 |
| Base 4 | 1213224 | 1220004 |
| Base 5 | 231135 | 231245 |
| Base 6 | 114026 | 114126 |
| Base 7 | 45567 | 45657 |
| Base 8 | 31728 | 32008 |
| Base 9 | 22429 | 22489 |
| Base 10 | 165810 | 166410 |
| Base 11 | 127811 | 128311 |
| Base 12 | b6212 | b6812 |
| Base 13 | 9a713 | 9b013 |
| Base 14 | 86614 | 86c14 |
| Base 15 | 75815 | 75e15 |
| Base 16 | 67a16 | 68016 |