Compare 1889 vs 1973
| Property | 1889 | 1973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18891 | 19731 |
| Prime factorization | 1889 | 1973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1889 | 1, 1973 |
| Number of properties | 5 | 7 |
| Chen primes | 178th | |
| Good primes | 61st | |
| Harmonic primes | 111th | |
| Isolated primes | 175th | 179th |
| Primes | 290th | 298th |
| Pythagorean primes | 140th | 145th |
| Sexy primes (1st member) | 126th | |
| Sophie germain primes | 57th | 60th |
| Roman numberals | MDCCCLXXXIX | MCMLXXIII |
| Base 2 | 111011000012 | 111101101012 |
| Base 3 | 21202223 | 22010023 |
| Base 4 | 1312014 | 1323114 |
| Base 5 | 300245 | 303435 |
| Base 6 | 124256 | 130456 |
| Base 7 | 53367 | 55167 |
| Base 8 | 35418 | 36658 |
| Base 9 | 25289 | 26329 |
| Base 10 | 188910 | 197310 |
| Base 11 | 146811 | 153411 |
| Base 12 | 111512 | 118512 |
| Base 13 | b2413 | b8a13 |
| Base 14 | 98d14 | a0d14 |
| Base 15 | 85e15 | 8b815 |
| Base 16 | 76116 | 7b516 |