Compare 2039 vs 2042
| Property | 2039 | 2042 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 20391 | 21 × 10211 |
| Prime factorization | 2039 | 2 × 1021 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2039 | 1, 2, 1021, 2042 |
| Number of properties | 8 | 1 |
| Chen primes | 190th | |
| Happy primes | 56th | |
| Harmonic primes | 115th | |
| Isolated primes | 186th | |
| Primes | 309th | |
| Safe primes | 39th | |
| Semiprimes | 587th | |
| Solinas primes | 55th | |
| Sophie germain primes | 62nd | |
| Roman numberals | MMXXXIX | MMXLII |
| Base 2 | 111111101112 | 111111110102 |
| Base 3 | 22101123 | 22101223 |
| Base 4 | 1333134 | 1333224 |
| Base 5 | 311245 | 311325 |
| Base 6 | 132356 | 132426 |
| Base 7 | 56427 | 56457 |
| Base 8 | 37678 | 37728 |
| Base 9 | 27159 | 27189 |
| Base 10 | 203910 | 204210 |
| Base 11 | 159411 | 159711 |
| Base 12 | 121b12 | 122212 |
| Base 13 | c0b13 | c1113 |
| Base 14 | a5914 | a5c14 |
| Base 15 | 90e15 | 91215 |
| Base 16 | 7f716 | 7fa16 |