Compare 21943 vs 21947
| Property | 21943 | 21947 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 219431 | 171 × 12911 |
| Prime factorization | 21943 | 17 × 1291 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21943 | 1, 17, 1291, 21947 |
| Number of properties | 4 | 1 |
| Additive primes | 1138th | |
| Isolated primes | 1717th | |
| Primes | 2460th | |
| Semiprimes | 5539th | |
| Sexy primes (2nd member) | 741st | |
| Roman numberals | ||
| Base 2 | 1010101101101112 | 1010101101110112 |
| Base 3 | 10100022013 | 10100022123 |
| Base 4 | 111123134 | 111123234 |
| Base 5 | 12002335 | 12002425 |
| Base 6 | 2453316 | 2453356 |
| Base 7 | 1206557 | 1206627 |
| Base 8 | 526678 | 526738 |
| Base 9 | 330819 | 330859 |
| Base 10 | 2194310 | 2194710 |
| Base 11 | 1553911 | 1554211 |
| Base 12 | 1084712 | 1084b12 |
| Base 13 | 9cac13 | 9cb313 |
| Base 14 | 7dd514 | 7dd914 |
| Base 15 | 677d15 | 678215 |
| Base 16 | 55b716 | 55bb16 |