Compare 21400 vs 21409
| Property | 21400 | 21409 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 23 × 52 × 1071 | 791 × 2711 |
| Prime factorization | 2 × 2 × 2 × 5 × 5 × 107 | 79 × 271 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1070, 2140, 2675, 4280, 5350, 10700, 21400 | 1, 79, 271, 21409 |
| Number of properties | 0 | 1 |
| Semiprimes | 5422nd | |
| Roman numberals | ||
| Base 2 | 1010011100110002 | 1010011101000012 |
| Base 3 | 10021001213 | 10021002213 |
| Base 4 | 110321204 | 110322014 |
| Base 5 | 11411005 | 11411145 |
| Base 6 | 2430246 | 2430416 |
| Base 7 | 1162517 | 1162637 |
| Base 8 | 516308 | 516418 |
| Base 9 | 323179 | 323279 |
| Base 10 | 2140010 | 2140910 |
| Base 11 | 1509511 | 150a311 |
| Base 12 | 1047412 | 1048112 |
| Base 13 | 998213 | 998b13 |
| Base 14 | 7b2814 | 7b3314 |
| Base 15 | 651a15 | 652415 |
| Base 16 | 539816 | 53a116 |