Compare 21421 vs 21439
| Property | 21421 | 21439 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 311 × 6911 | 111 × 19491 |
| Prime factorization | 31 × 691 | 11 × 1949 |
| Divisors count | 4 | 4 |
| Divisors | 1, 31, 691, 21421 | 1, 11, 1949, 21439 |
| Number of properties | 1 | 1 |
| Semiprimes | 5425th | 5429th |
| Roman numberals | ||
| Base 2 | 1010011101011012 | 1010011101111112 |
| Base 3 | 10021011013 | 10021020013 |
| Base 4 | 110322314 | 110323334 |
| Base 5 | 11411415 | 11412245 |
| Base 6 | 2431016 | 2431316 |
| Base 7 | 1163117 | 1163357 |
| Base 8 | 516558 | 516778 |
| Base 9 | 323419 | 323619 |
| Base 10 | 2142110 | 2143910 |
| Base 11 | 1510411 | 1512011 |
| Base 12 | 1049112 | 104a712 |
| Base 13 | 999a13 | 99b213 |
| Base 14 | 7b4114 | 7b5514 |
| Base 15 | 653115 | 654415 |
| Base 16 | 53ad16 | 53bf16 |