Compare 21242 vs 21251
| Property | 21242 | 21251 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 131 × 191 × 431 | 791 × 2691 |
| Prime factorization | 2 × 13 × 19 × 43 | 79 × 269 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 10621, 21242 | 1, 79, 269, 21251 |
| Number of properties | 0 | 1 |
| Semiprimes | 5383rd | |
| Roman numberals | ||
| Base 2 | 1010010111110102 | 1010011000000112 |
| Base 3 | 10020102023 | 10020110023 |
| Base 4 | 110233224 | 110300034 |
| Base 5 | 11344325 | 11400015 |
| Base 6 | 2422026 | 2422156 |
| Base 7 | 1156347 | 1156467 |
| Base 8 | 513728 | 514038 |
| Base 9 | 321229 | 321329 |
| Base 10 | 2124210 | 2125110 |
| Base 11 | 14a6111 | 14a6a11 |
| Base 12 | 1036212 | 1036b12 |
| Base 13 | 989013 | 989913 |
| Base 14 | 7a5414 | 7a5d14 |
| Base 15 | 646215 | 646b15 |
| Base 16 | 52fa16 | 530316 |