Compare 21439 vs 21442
| Property | 21439 | 21442 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 111 × 19491 | 21 × 711 × 1511 |
| Prime factorization | 11 × 1949 | 2 × 71 × 151 |
| Divisors count | 4 | 8 |
| Divisors | 1, 11, 1949, 21439 | 1, 2, 71, 142, 151, 302, 10721, 21442 |
| Number of properties | 1 | 0 |
| Semiprimes | 5429th | |
| Roman numberals | ||
| Base 2 | 1010011101111112 | 1010011110000102 |
| Base 3 | 10021020013 | 10021020113 |
| Base 4 | 110323334 | 110330024 |
| Base 5 | 11412245 | 11412325 |
| Base 6 | 2431316 | 2431346 |
| Base 7 | 1163357 | 1163417 |
| Base 8 | 516778 | 517028 |
| Base 9 | 323619 | 323649 |
| Base 10 | 2143910 | 2144210 |
| Base 11 | 1512011 | 1512311 |
| Base 12 | 104a712 | 104aa12 |
| Base 13 | 99b213 | 99b513 |
| Base 14 | 7b5514 | 7b5814 |
| Base 15 | 654415 | 654715 |
| Base 16 | 53bf16 | 53c216 |