Compare 21413 vs 21421
| Property | 21413 | 21421 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 72 × 191 × 231 | 311 × 6911 |
| Prime factorization | 7 × 7 × 19 × 23 | 31 × 691 |
| Divisors count | 12 | 4 |
| Divisors | 1, 7, 19, 23, 49, 133, 161, 437, 931, 1127, 3059, 21413 | 1, 31, 691, 21421 |
| Number of properties | 0 | 1 |
| Semiprimes | 5425th | |
| Roman numberals | ||
| Base 2 | 1010011101001012 | 1010011101011012 |
| Base 3 | 10021010023 | 10021011013 |
| Base 4 | 110322114 | 110322314 |
| Base 5 | 11411235 | 11411415 |
| Base 6 | 2430456 | 2431016 |
| Base 7 | 1163007 | 1163117 |
| Base 8 | 516458 | 516558 |
| Base 9 | 323329 | 323419 |
| Base 10 | 2141310 | 2142110 |
| Base 11 | 150a711 | 1510411 |
| Base 12 | 1048512 | 1049112 |
| Base 13 | 999213 | 999a13 |
| Base 14 | 7b3714 | 7b4114 |
| Base 15 | 652815 | 653115 |
| Base 16 | 53a516 | 53ad16 |