Compare 21742 vs 21745
| Property | 21742 | 21745 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 71 × 15531 | 51 × 43491 |
| Prime factorization | 2 × 7 × 1553 | 5 × 4349 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 7, 14, 1553, 3106, 10871, 21742 | 1, 5, 4349, 21745 |
| Number of properties | 0 | 1 |
| Semiprimes | 5497th | |
| Roman numberals | ||
| Base 2 | 1010100111011102 | 1010100111100012 |
| Base 3 | 10022110213 | 10022111013 |
| Base 4 | 111032324 | 111033014 |
| Base 5 | 11434325 | 11434405 |
| Base 6 | 2443546 | 2444016 |
| Base 7 | 1202507 | 1202537 |
| Base 8 | 523568 | 523618 |
| Base 9 | 327379 | 327419 |
| Base 10 | 2174210 | 2174510 |
| Base 11 | 1537611 | 1537911 |
| Base 12 | 106ba12 | 1070112 |
| Base 13 | 9b8613 | 9b8913 |
| Base 14 | 7cd014 | 7cd314 |
| Base 15 | 669715 | 669a15 |
| Base 16 | 54ee16 | 54f116 |