Compare 21020 vs 21031
| Property | 21020 | 21031 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 10511 | 210311 |
| Prime factorization | 2 × 2 × 5 × 1051 | 21031 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020 | 1, 21031 |
| Number of properties | 0 | 3 |
| Additive primes | 1098th | |
| Isolated primes | 1650th | |
| Primes | 2367th | |
| Roman numberals | ||
| Base 2 | 1010010000111002 | 1010010001001112 |
| Base 3 | 10012111123 | 10012112213 |
| Base 4 | 110201304 | 110202134 |
| Base 5 | 11330405 | 11331115 |
| Base 6 | 2411526 | 2412116 |
| Base 7 | 1151667 | 1152137 |
| Base 8 | 510348 | 510478 |
| Base 9 | 317459 | 317579 |
| Base 10 | 2102010 | 2103110 |
| Base 11 | 1487a11 | 1488a11 |
| Base 12 | 101b812 | 1020712 |
| Base 13 | 974c13 | 975a13 |
| Base 14 | 793614 | 794314 |
| Base 15 | 636515 | 637115 |
| Base 16 | 521c16 | 522716 |