Compare 1021 vs 1022
| Property | 1021 | 1022 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 10211 | 21 × 71 × 731 |
| Prime factorization | 1021 | 2 × 7 × 73 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1021 | 1, 2, 7, 14, 73, 146, 511, 1022 |
| Number of properties | 8 | 0 |
| Emirps | 38th | |
| Harmonic primes | 61st | |
| Long primes | 62nd | |
| Lucky primes | 45th | |
| Primes | 172nd | |
| Pythagorean primes | 83rd | |
| Solinas primes | 46th | |
| Twin primes (2nd member) | 36th | |
| Roman numberals | MXXI | MXXII |
| Base 2 | 11111111012 | 11111111102 |
| Base 3 | 11012113 | 11012123 |
| Base 4 | 333314 | 333324 |
| Base 5 | 130415 | 130425 |
| Base 6 | 44216 | 44226 |
| Base 7 | 26567 | 26607 |
| Base 8 | 17758 | 17768 |
| Base 9 | 13549 | 13559 |
| Base 10 | 102110 | 102210 |
| Base 11 | 84911 | 84a11 |
| Base 12 | 71112 | 71212 |
| Base 13 | 60713 | 60813 |
| Base 14 | 52d14 | 53014 |
| Base 15 | 48115 | 48215 |
| Base 16 | 3fd16 | 3fe16 |