Compare 21939 vs 21943
| Property | 21939 | 21943 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 711 × 1031 | 219431 |
| Prime factorization | 3 × 71 × 103 | 21943 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 71, 103, 213, 309, 7313, 21939 | 1, 21943 |
| Number of properties | 0 | 4 |
| Additive primes | 1138th | |
| Isolated primes | 1717th | |
| Primes | 2460th | |
| Sexy primes (2nd member) | 741st | |
| Roman numberals | ||
| Base 2 | 1010101101100112 | 1010101101101112 |
| Base 3 | 10100021203 | 10100022013 |
| Base 4 | 111123034 | 111123134 |
| Base 5 | 12002245 | 12002335 |
| Base 6 | 2453236 | 2453316 |
| Base 7 | 1206517 | 1206557 |
| Base 8 | 526638 | 526678 |
| Base 9 | 330769 | 330819 |
| Base 10 | 2193910 | 2194310 |
| Base 11 | 1553511 | 1553911 |
| Base 12 | 1084312 | 1084712 |
| Base 13 | 9ca813 | 9cac13 |
| Base 14 | 7dd114 | 7dd514 |
| Base 15 | 677915 | 677d15 |
| Base 16 | 55b316 | 55b716 |