Compare 21386 vs 21389
| Property | 21386 | 21389 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 172 × 371 | 731 × 2931 |
| Prime factorization | 2 × 17 × 17 × 37 | 73 × 293 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 17, 34, 37, 74, 289, 578, 629, 1258, 10693, 21386 | 1, 73, 293, 21389 |
| Number of properties | 0 | 1 |
| Semiprimes | 5420th | |
| Roman numberals | ||
| Base 2 | 1010011100010102 | 1010011100011012 |
| Base 3 | 10021000023 | 10021000123 |
| Base 4 | 110320224 | 110320314 |
| Base 5 | 11410215 | 11410245 |
| Base 6 | 2430026 | 2430056 |
| Base 7 | 1162317 | 1162347 |
| Base 8 | 516128 | 516158 |
| Base 9 | 323029 | 323059 |
| Base 10 | 2138610 | 2138910 |
| Base 11 | 1508211 | 1508511 |
| Base 12 | 1046212 | 1046512 |
| Base 13 | 997113 | 997413 |
| Base 14 | 7b1814 | 7b1b14 |
| Base 15 | 650b15 | 650e15 |
| Base 16 | 538a16 | 538d16 |