Compare 21245 vs 21247
| Property | 21245 | 21247 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 6071 | 212471 |
| Prime factorization | 5 × 7 × 607 | 21247 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 35, 607, 3035, 4249, 21245 | 1, 21247 |
| Number of properties | 0 | 3 |
| Isolated primes | 1667th | |
| Long primes | 907th | |
| Primes | 2388th | |
| Roman numberals | ||
| Base 2 | 1010010111111012 | 1010010111111112 |
| Base 3 | 10020102123 | 10020102213 |
| Base 4 | 110233314 | 110233334 |
| Base 5 | 11344405 | 11344425 |
| Base 6 | 2422056 | 2422116 |
| Base 7 | 1156407 | 1156427 |
| Base 8 | 513758 | 513778 |
| Base 9 | 321259 | 321279 |
| Base 10 | 2124510 | 2124710 |
| Base 11 | 14a6411 | 14a6611 |
| Base 12 | 1036512 | 1036712 |
| Base 13 | 989313 | 989513 |
| Base 14 | 7a5714 | 7a5914 |
| Base 15 | 646515 | 646715 |
| Base 16 | 52fd16 | 52ff16 |