Compare 1951 vs 2039
| Property | 1951 | 2039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19511 | 20391 |
| Prime factorization | 1951 | 2039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1951 | 1, 2039 |
| Number of properties | 3 | 8 |
| Chen primes | 190th | |
| Cuban primes 1 | 14th | |
| Happy primes | 56th | |
| Harmonic primes | 115th | |
| Isolated primes | 186th | |
| Primes | 297th | 309th |
| Safe primes | 39th | |
| Solinas primes | 55th | |
| Sophie germain primes | 62nd | |
| Twin primes (2nd member) | 60th | |
| Roman numberals | MCMLI | MMXXXIX |
| Base 2 | 111100111112 | 111111101112 |
| Base 3 | 22000213 | 22101123 |
| Base 4 | 1321334 | 1333134 |
| Base 5 | 303015 | 311245 |
| Base 6 | 130116 | 132356 |
| Base 7 | 54557 | 56427 |
| Base 8 | 36378 | 37678 |
| Base 9 | 26079 | 27159 |
| Base 10 | 195110 | 203910 |
| Base 11 | 151411 | 159411 |
| Base 12 | 116712 | 121b12 |
| Base 13 | b7113 | c0b13 |
| Base 14 | 9d514 | a5914 |
| Base 15 | 8a115 | 90e15 |
| Base 16 | 79f16 | 7f716 |