Compare 21938 vs 21943
| Property | 21938 | 21943 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 15671 | 219431 |
| Prime factorization | 2 × 7 × 1567 | 21943 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 1567, 3134, 10969, 21938 | 1, 21943 |
| Number of properties | 0 | 4 |
| Additive primes | 1138th | |
| Isolated primes | 1717th | |
| Primes | 2460th | |
| Sexy primes (2nd member) | 741st | |
| Roman numberals | ||
| Base 2 | 1010101101100102 | 1010101101101112 |
| Base 3 | 10100021123 | 10100022013 |
| Base 4 | 111123024 | 111123134 |
| Base 5 | 12002235 | 12002335 |
| Base 6 | 2453226 | 2453316 |
| Base 7 | 1206507 | 1206557 |
| Base 8 | 526628 | 526678 |
| Base 9 | 330759 | 330819 |
| Base 10 | 2193810 | 2194310 |
| Base 11 | 1553411 | 1553911 |
| Base 12 | 1084212 | 1084712 |
| Base 13 | 9ca713 | 9cac13 |
| Base 14 | 7dd014 | 7dd514 |
| Base 15 | 677815 | 677d15 |
| Base 16 | 55b216 | 55b716 |