Compare 1642 vs 1653
| Property | 1642 | 1653 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 21 × 8211 | 31 × 191 × 291 |
| Prime factorization | 2 × 821 | 3 × 19 × 29 |
| Divisors count | 4 | 8 |
| Divisors | 1, 2, 821, 1642 | 1, 3, 19, 29, 57, 87, 551, 1653 |
| Number of properties | 1 | 0 |
| Semiprimes | 471st | |
| Roman numberals | MDCXLII | MDCLIII |
| Base 2 | 110011010102 | 110011101012 |
| Base 3 | 20202113 | 20210203 |
| Base 4 | 1212224 | 1213114 |
| Base 5 | 230325 | 231035 |
| Base 6 | 113346 | 113536 |
| Base 7 | 45347 | 45517 |
| Base 8 | 31528 | 31658 |
| Base 9 | 22249 | 22369 |
| Base 10 | 164210 | 165310 |
| Base 11 | 126311 | 127311 |
| Base 12 | b4a12 | b5912 |
| Base 13 | 99413 | 9a213 |
| Base 14 | 85414 | 86114 |
| Base 15 | 74715 | 75315 |
| Base 16 | 66a16 | 67516 |