Compare 21243 vs 21247
| Property | 21243 | 21247 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 731 × 971 | 212471 |
| Prime factorization | 3 × 73 × 97 | 21247 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 73, 97, 219, 291, 7081, 21243 | 1, 21247 |
| Number of properties | 0 | 3 |
| Isolated primes | 1667th | |
| Long primes | 907th | |
| Primes | 2388th | |
| Roman numberals | ||
| Base 2 | 1010010111110112 | 1010010111111112 |
| Base 3 | 10020102103 | 10020102213 |
| Base 4 | 110233234 | 110233334 |
| Base 5 | 11344335 | 11344425 |
| Base 6 | 2422036 | 2422116 |
| Base 7 | 1156357 | 1156427 |
| Base 8 | 513738 | 513778 |
| Base 9 | 321239 | 321279 |
| Base 10 | 2124310 | 2124710 |
| Base 11 | 14a6211 | 14a6611 |
| Base 12 | 1036312 | 1036712 |
| Base 13 | 989113 | 989513 |
| Base 14 | 7a5514 | 7a5914 |
| Base 15 | 646315 | 646715 |
| Base 16 | 52fb16 | 52ff16 |