Compare 1889 vs 1907
| Property | 1889 | 1907 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18891 | 19071 |
| Prime factorization | 1889 | 1907 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1889 | 1, 1907 |
| Number of properties | 5 | 9 |
| Additive primes | 155th | |
| Chen primes | 178th | 180th |
| Harmonic primes | 107th | |
| Isolated primes | 175th | 177th |
| Primes | 290th | 292nd |
| Pythagorean primes | 140th | |
| Safe primes | 37th | |
| Sexy primes (1st member) | 125th | |
| Sexy primes (2nd member) | 124th | |
| Sexy prime triplets (2nd member) | 49th | |
| Sophie germain primes | 57th | |
| Roman numberals | MDCCCLXXXIX | MCMVII |
| Base 2 | 111011000012 | 111011100112 |
| Base 3 | 21202223 | 21211223 |
| Base 4 | 1312014 | 1313034 |
| Base 5 | 300245 | 301125 |
| Base 6 | 124256 | 124556 |
| Base 7 | 53367 | 53637 |
| Base 8 | 35418 | 35638 |
| Base 9 | 25289 | 25489 |
| Base 10 | 188910 | 190710 |
| Base 11 | 146811 | 148411 |
| Base 12 | 111512 | 112b12 |
| Base 13 | b2413 | b3913 |
| Base 14 | 98d14 | 9a314 |
| Base 15 | 85e15 | 87215 |
| Base 16 | 76116 | 77316 |