Compare 21871 vs 21943
| Property | 21871 | 21943 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218711 | 219431 |
| Prime factorization | 21871 | 21943 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21871 | 1, 21943 |
| Number of properties | 3 | 4 |
| Additive primes | 1135th | 1138th |
| Isolated primes | 1711th | 1717th |
| Primes | 2454th | 2460th |
| Sexy primes (2nd member) | 741st | |
| Roman numberals | ||
| Base 2 | 1010101011011112 | 1010101101101112 |
| Base 3 | 10100000013 | 10100022013 |
| Base 4 | 111112334 | 111123134 |
| Base 5 | 11444415 | 12002335 |
| Base 6 | 2451316 | 2453316 |
| Base 7 | 1205237 | 1206557 |
| Base 8 | 525578 | 526678 |
| Base 9 | 330019 | 330819 |
| Base 10 | 2187110 | 2194310 |
| Base 11 | 1548311 | 1553911 |
| Base 12 | 107a712 | 1084712 |
| Base 13 | 9c5513 | 9cac13 |
| Base 14 | 7d8314 | 7dd514 |
| Base 15 | 673115 | 677d15 |
| Base 16 | 556f16 | 55b716 |