Compare 21143 vs 21247
| Property | 21143 | 21247 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211431 | 212471 |
| Prime factorization | 21143 | 21247 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21143 | 1, 21247 |
| Number of properties | 9 | 3 |
| Additive primes | 1103rd | |
| Chen primes | 1167th | |
| Cousin primes (2nd member) | 360th | |
| Happy primes | 393rd | |
| Harmonic primes | 873rd | |
| Isolated primes | 1657th | 1667th |
| Long primes | 903rd | 907th |
| Primes | 2376th | 2388th |
| Sexy primes (1st member) | 719th | |
| Roman numberals | ||
| Base 2 | 1010010100101112 | 1010010111111112 |
| Base 3 | 10020000023 | 10020102213 |
| Base 4 | 110221134 | 110233334 |
| Base 5 | 11340335 | 11344425 |
| Base 6 | 2415156 | 2422116 |
| Base 7 | 1154337 | 1156427 |
| Base 8 | 512278 | 513778 |
| Base 9 | 320029 | 321279 |
| Base 10 | 2114310 | 2124710 |
| Base 11 | 1498111 | 14a6611 |
| Base 12 | 1029b12 | 1036712 |
| Base 13 | 981513 | 989513 |
| Base 14 | 79c314 | 7a5914 |
| Base 15 | 63e815 | 646715 |
| Base 16 | 529716 | 52ff16 |