Compare 1021 vs 2039
| Property | 1021 | 2039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10211 | 20391 |
| Prime factorization | 1021 | 2039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1021 | 1, 2039 |
| Number of properties | 8 | 8 |
| Chen primes | 190th | |
| Emirps | 38th | |
| Happy primes | 56th | |
| Harmonic primes | 61st | 115th |
| Isolated primes | 186th | |
| Long primes | 62nd | |
| Lucky primes | 45th | |
| Primes | 172nd | 309th |
| Pythagorean primes | 83rd | |
| Safe primes | 39th | |
| Solinas primes | 46th | 55th |
| Sophie germain primes | 62nd | |
| Twin primes (2nd member) | 36th | |
| Roman numberals | MXXI | MMXXXIX |
| Base 2 | 11111111012 | 111111101112 |
| Base 3 | 11012113 | 22101123 |
| Base 4 | 333314 | 1333134 |
| Base 5 | 130415 | 311245 |
| Base 6 | 44216 | 132356 |
| Base 7 | 26567 | 56427 |
| Base 8 | 17758 | 37678 |
| Base 9 | 13549 | 27159 |
| Base 10 | 102110 | 203910 |
| Base 11 | 84911 | 159411 |
| Base 12 | 71112 | 121b12 |
| Base 13 | 60713 | c0b13 |
| Base 14 | 52d14 | a5914 |
| Base 15 | 48115 | 90e15 |
| Base 16 | 3fd16 | 7f716 |