Compare 1889 vs 2017
| Property | 1889 | 2017 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18891 | 20171 |
| Prime factorization | 1889 | 2017 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1889 | 1, 2017 |
| Number of properties | 5 | 7 |
| Chen primes | 178th | 187th |
| Isolated primes | 175th | 185th |
| Long primes | 117th | |
| Primes | 290th | 306th |
| Pythagorean primes | 140th | 148th |
| Sexy primes (2nd member) | 130th | |
| Solinas primes | 54th | |
| Sophie germain primes | 57th | |
| Roman numberals | MDCCCLXXXIX | MMXVII |
| Base 2 | 111011000012 | 111111000012 |
| Base 3 | 21202223 | 22022013 |
| Base 4 | 1312014 | 1332014 |
| Base 5 | 300245 | 310325 |
| Base 6 | 124256 | 132016 |
| Base 7 | 53367 | 56117 |
| Base 8 | 35418 | 37418 |
| Base 9 | 25289 | 26819 |
| Base 10 | 188910 | 201710 |
| Base 11 | 146811 | 157411 |
| Base 12 | 111512 | 120112 |
| Base 13 | b2413 | bc213 |
| Base 14 | 98d14 | a4114 |
| Base 15 | 85e15 | 8e715 |
| Base 16 | 76116 | 7e116 |