Compare 1949 vs 1951
| Property | 1949 | 1951 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19491 | 19511 |
| Prime factorization | 1949 | 1951 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1949 | 1, 1951 |
| Number of properties | 8 | 3 |
| Additive primes | 156th | |
| Chen primes | 183rd | |
| Cuban primes 1 | 14th | |
| Emirps | 95th | |
| Harmonic primes | 110th | |
| Long primes | 115th | |
| Primes | 296th | 297th |
| Pythagorean primes | 144th | |
| Twin primes (1st member) | 60th | |
| Twin primes (2nd member) | 60th | |
| Roman numberals | MCMXLIX | MCMLI |
| Base 2 | 111100111012 | 111100111112 |
| Base 3 | 22000123 | 22000213 |
| Base 4 | 1321314 | 1321334 |
| Base 5 | 302445 | 303015 |
| Base 6 | 130056 | 130116 |
| Base 7 | 54537 | 54557 |
| Base 8 | 36358 | 36378 |
| Base 9 | 26059 | 26079 |
| Base 10 | 194910 | 195110 |
| Base 11 | 151211 | 151411 |
| Base 12 | 116512 | 116712 |
| Base 13 | b6c13 | b7113 |
| Base 14 | 9d314 | 9d514 |
| Base 15 | 89e15 | 8a115 |
| Base 16 | 79d16 | 79f16 |