Compare 21247 vs 21254
Property | 21247 | 21254 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 212471 | 21 × 106271 |
Prime factorization | 21247 | 2 × 10627 |
Divisors count | 2 | 4 |
Divisors | 1, 21247 | 1, 2, 10627, 21254 |
Number of properties | 3 | 1 |
Isolated primes | 1667th | |
Long primes | 907th | |
Primes | 2388th | |
Semiprimes | 5385th | |
Roman numberals | ||
Base 2 | 1010010111111112 | 1010011000001102 |
Base 3 | 10020102213 | 10020110123 |
Base 4 | 110233334 | 110300124 |
Base 5 | 11344425 | 11400045 |
Base 6 | 2422116 | 2422226 |
Base 7 | 1156427 | 1156527 |
Base 8 | 513778 | 514068 |
Base 9 | 321279 | 321359 |
Base 10 | 2124710 | 2125410 |
Base 11 | 14a6611 | 14a7211 |
Base 12 | 1036712 | 1037212 |
Base 13 | 989513 | 989c13 |
Base 14 | 7a5914 | 7a6214 |
Base 15 | 646715 | 646e15 |
Base 16 | 52ff16 | 530616 |