Compare 21408 vs 21409
| Property | 21408 | 21409 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 25 × 31 × 2231 | 791 × 2711 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 223 | 79 × 271 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 223, 446, 669, 892, 1338, 1784, 2676, 3568, 5352, 7136, 10704, 21408 | 1, 79, 271, 21409 |
| Number of properties | 0 | 1 |
| Semiprimes | 5422nd | |
| Roman numberals | ||
| Base 2 | 1010011101000002 | 1010011101000012 |
| Base 3 | 10021002203 | 10021002213 |
| Base 4 | 110322004 | 110322014 |
| Base 5 | 11411135 | 11411145 |
| Base 6 | 2430406 | 2430416 |
| Base 7 | 1162627 | 1162637 |
| Base 8 | 516408 | 516418 |
| Base 9 | 323269 | 323279 |
| Base 10 | 2140810 | 2140910 |
| Base 11 | 150a211 | 150a311 |
| Base 12 | 1048012 | 1048112 |
| Base 13 | 998a13 | 998b13 |
| Base 14 | 7b3214 | 7b3314 |
| Base 15 | 652315 | 652415 |
| Base 16 | 53a016 | 53a116 |