Compare 1635 vs 1642
| Property | 1635 | 1642 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 51 × 1091 | 21 × 8211 |
| Prime factorization | 3 × 5 × 109 | 2 × 821 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 5, 15, 109, 327, 545, 1635 | 1, 2, 821, 1642 |
| Number of properties | 0 | 1 |
| Semiprimes | 471st | |
| Roman numberals | MDCXXXV | MDCXLII |
| Base 2 | 110011000112 | 110011010102 |
| Base 3 | 20201203 | 20202113 |
| Base 4 | 1212034 | 1212224 |
| Base 5 | 230205 | 230325 |
| Base 6 | 113236 | 113346 |
| Base 7 | 45247 | 45347 |
| Base 8 | 31438 | 31528 |
| Base 9 | 22169 | 22249 |
| Base 10 | 163510 | 164210 |
| Base 11 | 125711 | 126311 |
| Base 12 | b4312 | b4a12 |
| Base 13 | 98a13 | 99413 |
| Base 14 | 84b14 | 85414 |
| Base 15 | 74015 | 74715 |
| Base 16 | 66316 | 66a16 |