Compare 1889 vs 1949
| Property | 1889 | 1949 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18891 | 19491 |
| Prime factorization | 1889 | 1949 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1889 | 1, 1949 |
| Number of properties | 5 | 8 |
| Additive primes | 156th | |
| Chen primes | 178th | 183rd |
| Emirps | 95th | |
| Harmonic primes | 110th | |
| Isolated primes | 175th | |
| Long primes | 115th | |
| Primes | 290th | 296th |
| Pythagorean primes | 140th | 144th |
| Sophie germain primes | 57th | |
| Twin primes (1st member) | 60th | |
| Roman numberals | MDCCCLXXXIX | MCMXLIX |
| Base 2 | 111011000012 | 111100111012 |
| Base 3 | 21202223 | 22000123 |
| Base 4 | 1312014 | 1321314 |
| Base 5 | 300245 | 302445 |
| Base 6 | 124256 | 130056 |
| Base 7 | 53367 | 54537 |
| Base 8 | 35418 | 36358 |
| Base 9 | 25289 | 26059 |
| Base 10 | 188910 | 194910 |
| Base 11 | 146811 | 151211 |
| Base 12 | 111512 | 116512 |
| Base 13 | b2413 | b6c13 |
| Base 14 | 98d14 | 9d314 |
| Base 15 | 85e15 | 89e15 |
| Base 16 | 76116 | 79d16 |