Compare 1949 vs 2129
| Property | 1949 | 2129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 19491 | 21291 |
| Prime factorization | 1949 | 2129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1949 | 1, 2129 |
| Number of properties | 8 | 5 |
| Additive primes | 156th | |
| Chen primes | 183rd | 196th |
| Emirps | 95th | |
| Harmonic primes | 110th | |
| Long primes | 115th | |
| Primes | 296th | 320th |
| Pythagorean primes | 144th | 155th |
| Sophie germain primes | 65th | |
| Twin primes (1st member) | 60th | 66th |
| Roman numberals | MCMXLIX | MMCXXIX |
| Base 2 | 111100111012 | 1000010100012 |
| Base 3 | 22000123 | 22202123 |
| Base 4 | 1321314 | 2011014 |
| Base 5 | 302445 | 320045 |
| Base 6 | 130056 | 135056 |
| Base 7 | 54537 | 61317 |
| Base 8 | 36358 | 41218 |
| Base 9 | 26059 | 28259 |
| Base 10 | 194910 | 212910 |
| Base 11 | 151211 | 166611 |
| Base 12 | 116512 | 129512 |
| Base 13 | b6c13 | c7a13 |
| Base 14 | 9d314 | ac114 |
| Base 15 | 89e15 | 96e15 |
| Base 16 | 79d16 | 85116 |