Compare 1636 vs 1642
| Property | 1636 | 1642 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 22 × 4091 | 21 × 8211 |
| Prime factorization | 2 × 2 × 409 | 2 × 821 |
| Divisors count | 6 | 4 |
| Divisors | 1, 2, 4, 409, 818, 1636 | 1, 2, 821, 1642 |
| Number of properties | 0 | 1 |
| Semiprimes | 471st | |
| Roman numberals | MDCXXXVI | MDCXLII |
| Base 2 | 110011001002 | 110011010102 |
| Base 3 | 20201213 | 20202113 |
| Base 4 | 1212104 | 1212224 |
| Base 5 | 230215 | 230325 |
| Base 6 | 113246 | 113346 |
| Base 7 | 45257 | 45347 |
| Base 8 | 31448 | 31528 |
| Base 9 | 22179 | 22249 |
| Base 10 | 163610 | 164210 |
| Base 11 | 125811 | 126311 |
| Base 12 | b4412 | b4a12 |
| Base 13 | 98b13 | 99413 |
| Base 14 | 84c14 | 85414 |
| Base 15 | 74115 | 74715 |
| Base 16 | 66416 | 66a16 |