Compare 21355 vs 21366
| Property | 21355 | 21366 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 42711 | 21 × 32 × 11871 |
| Prime factorization | 5 × 4271 | 2 × 3 × 3 × 1187 |
| Divisors count | 4 | 12 |
| Divisors | 1, 5, 4271, 21355 | 1, 2, 3, 6, 9, 18, 1187, 2374, 3561, 7122, 10683, 21366 |
| Number of properties | 1 | 0 |
| Semiprimes | 5411th | |
| Roman numberals | ||
| Base 2 | 1010011011010112 | 1010011011101102 |
| Base 3 | 10020212213 | 10020221003 |
| Base 4 | 110312234 | 110313124 |
| Base 5 | 11404105 | 11404315 |
| Base 6 | 2425116 | 2425306 |
| Base 7 | 1161557 | 1162027 |
| Base 8 | 515538 | 515668 |
| Base 9 | 322579 | 322709 |
| Base 10 | 2135510 | 2136610 |
| Base 11 | 1505411 | 1506411 |
| Base 12 | 1043712 | 1044612 |
| Base 13 | 994913 | 995713 |
| Base 14 | 7ad514 | 7b0214 |
| Base 15 | 64da15 | 64e615 |
| Base 16 | 536b16 | 537616 |