Compare 1949 vs 2039
| Property | 1949 | 2039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19491 | 20391 |
| Prime factorization | 1949 | 2039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1949 | 1, 2039 |
| Number of properties | 8 | 8 |
| Additive primes | 156th | |
| Chen primes | 183rd | 190th |
| Emirps | 95th | |
| Happy primes | 56th | |
| Harmonic primes | 110th | 115th |
| Isolated primes | 186th | |
| Long primes | 115th | |
| Primes | 296th | 309th |
| Pythagorean primes | 144th | |
| Safe primes | 39th | |
| Solinas primes | 55th | |
| Sophie germain primes | 62nd | |
| Twin primes (1st member) | 60th | |
| Roman numberals | MCMXLIX | MMXXXIX |
| Base 2 | 111100111012 | 111111101112 |
| Base 3 | 22000123 | 22101123 |
| Base 4 | 1321314 | 1333134 |
| Base 5 | 302445 | 311245 |
| Base 6 | 130056 | 132356 |
| Base 7 | 54537 | 56427 |
| Base 8 | 36358 | 37678 |
| Base 9 | 26059 | 27159 |
| Base 10 | 194910 | 203910 |
| Base 11 | 151211 | 159411 |
| Base 12 | 116512 | 121b12 |
| Base 13 | b6c13 | c0b13 |
| Base 14 | 9d314 | a5914 |
| Base 15 | 89e15 | 90e15 |
| Base 16 | 79d16 | 7f716 |