Compare 1949 vs 2017
| Property | 1949 | 2017 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19491 | 20171 |
| Prime factorization | 1949 | 2017 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1949 | 1, 2017 |
| Number of properties | 8 | 7 |
| Additive primes | 156th | |
| Chen primes | 183rd | 187th |
| Emirps | 95th | |
| Harmonic primes | 110th | |
| Isolated primes | 185th | |
| Long primes | 115th | 117th |
| Primes | 296th | 306th |
| Pythagorean primes | 144th | 148th |
| Sexy primes (2nd member) | 130th | |
| Solinas primes | 54th | |
| Twin primes (1st member) | 60th | |
| Roman numberals | MCMXLIX | MMXVII |
| Base 2 | 111100111012 | 111111000012 |
| Base 3 | 22000123 | 22022013 |
| Base 4 | 1321314 | 1332014 |
| Base 5 | 302445 | 310325 |
| Base 6 | 130056 | 132016 |
| Base 7 | 54537 | 56117 |
| Base 8 | 36358 | 37418 |
| Base 9 | 26059 | 26819 |
| Base 10 | 194910 | 201710 |
| Base 11 | 151211 | 157411 |
| Base 12 | 116512 | 120112 |
| Base 13 | b6c13 | bc213 |
| Base 14 | 9d314 | a4114 |
| Base 15 | 89e15 | 8e715 |
| Base 16 | 79d16 | 7e116 |