Compare 21328 vs 21331
| Property | 21328 | 21331 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 311 × 431 | 831 × 2571 |
| Prime factorization | 2 × 2 × 2 × 2 × 31 × 43 | 83 × 257 |
| Divisors count | 20 | 4 |
| Divisors | 1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328 | 1, 83, 257, 21331 |
| Number of properties | 0 | 1 |
| Semiprimes | 5405th | |
| Roman numberals | ||
| Base 2 | 1010011010100002 | 1010011010100112 |
| Base 3 | 10020202213 | 10020210013 |
| Base 4 | 110311004 | 110311034 |
| Base 5 | 11403035 | 11403115 |
| Base 6 | 2424246 | 2424316 |
| Base 7 | 1161167 | 1161227 |
| Base 8 | 515208 | 515238 |
| Base 9 | 322279 | 322319 |
| Base 10 | 2132810 | 2133110 |
| Base 11 | 1502a11 | 1503211 |
| Base 12 | 1041412 | 1041712 |
| Base 13 | 992813 | 992b13 |
| Base 14 | 7ab614 | 7ab914 |
| Base 15 | 64bd15 | 64c115 |
| Base 16 | 535016 | 535316 |