Compare 20840 vs 20851
| Property | 20840 | 20851 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 5211 | 291 × 7191 |
| Prime factorization | 2 × 2 × 2 × 5 × 521 | 29 × 719 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 20840 | 1, 29, 719, 20851 |
| Number of properties | 0 | 1 |
| Semiprimes | 5291st | |
| Roman numberals | ||
| Base 2 | 1010001011010002 | 1010001011100112 |
| Base 3 | 10011202123 | 10011210213 |
| Base 4 | 110112204 | 110113034 |
| Base 5 | 11313305 | 11314015 |
| Base 6 | 2402526 | 2403116 |
| Base 7 | 1145217 | 1145357 |
| Base 8 | 505508 | 505638 |
| Base 9 | 315259 | 315379 |
| Base 10 | 2084010 | 2085110 |
| Base 11 | 1472611 | 1473611 |
| Base 12 | 1008812 | 1009712 |
| Base 13 | 964113 | 964c13 |
| Base 14 | 784814 | 785514 |
| Base 15 | 629515 | 62a115 |
| Base 16 | 516816 | 517316 |