Compare 1949 vs 2011
| Property | 1949 | 2011 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19491 | 20111 |
| Prime factorization | 1949 | 2011 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1949 | 1, 2011 |
| Number of properties | 8 | 4 |
| Additive primes | 156th | |
| Chen primes | 183rd | |
| Emirps | 95th | |
| Harmonic primes | 110th | 113th |
| Isolated primes | 184th | |
| Long primes | 115th | |
| Primes | 296th | 305th |
| Pythagorean primes | 144th | |
| Sexy primes (1st member) | 130th | |
| Twin primes (1st member) | 60th | |
| Roman numberals | MCMXLIX | MMXI |
| Base 2 | 111100111012 | 111110110112 |
| Base 3 | 22000123 | 22021113 |
| Base 4 | 1321314 | 1331234 |
| Base 5 | 302445 | 310215 |
| Base 6 | 130056 | 131516 |
| Base 7 | 54537 | 56027 |
| Base 8 | 36358 | 37338 |
| Base 9 | 26059 | 26749 |
| Base 10 | 194910 | 201110 |
| Base 11 | 151211 | 156911 |
| Base 12 | 116512 | 11b712 |
| Base 13 | b6c13 | bb913 |
| Base 14 | 9d314 | a3914 |
| Base 15 | 89e15 | 8e115 |
| Base 16 | 79d16 | 7db16 |