Compare 21402 vs 21405
| Property | 21402 | 21405 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 5 | 3 |
| Prime factorization | 21 × 32 × 291 × 411 | 31 × 51 × 14271 |
| Prime factorization | 2 × 3 × 3 × 29 × 41 | 3 × 5 × 1427 |
| Divisors count | 24 | 8 |
| Divisors | 1, 2, 3, 6, 9, 18, 29, 41, 58, 82, 87, 123, 174, 246, 261, 369, 522, 738, 1189, 2378, 3567, 7134, 10701, 21402 | 1, 3, 5, 15, 1427, 4281, 7135, 21405 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010011100110102 | 1010011100111012 |
| Base 3 | 10021002003 | 10021002103 |
| Base 4 | 110321224 | 110321314 |
| Base 5 | 11411025 | 11411105 |
| Base 6 | 2430306 | 2430336 |
| Base 7 | 1162537 | 1162567 |
| Base 8 | 516328 | 516358 |
| Base 9 | 323209 | 323239 |
| Base 10 | 2140210 | 2140510 |
| Base 11 | 1509711 | 1509a11 |
| Base 12 | 1047612 | 1047912 |
| Base 13 | 998413 | 998713 |
| Base 14 | 7b2a14 | 7b2d14 |
| Base 15 | 651c15 | 652015 |
| Base 16 | 539a16 | 539d16 |