Compare 21430 vs 21439
| Property | 21430 | 21439 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 21431 | 111 × 19491 |
| Prime factorization | 2 × 5 × 2143 | 11 × 1949 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 2143, 4286, 10715, 21430 | 1, 11, 1949, 21439 |
| Number of properties | 0 | 1 |
| Semiprimes | 5429th | |
| Roman numberals | ||
| Base 2 | 1010011101101102 | 1010011101111112 |
| Base 3 | 10021012013 | 10021020013 |
| Base 4 | 110323124 | 110323334 |
| Base 5 | 11412105 | 11412245 |
| Base 6 | 2431146 | 2431316 |
| Base 7 | 1163237 | 1163357 |
| Base 8 | 516668 | 516778 |
| Base 9 | 323519 | 323619 |
| Base 10 | 2143010 | 2143910 |
| Base 11 | 1511211 | 1512011 |
| Base 12 | 1049a12 | 104a712 |
| Base 13 | 99a613 | 99b213 |
| Base 14 | 7b4a14 | 7b5514 |
| Base 15 | 653a15 | 654415 |
| Base 16 | 53b616 | 53bf16 |