Compare 1887 vs 1889
| Property | 1887 | 1889 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 171 × 371 | 18891 |
| Prime factorization | 3 × 17 × 37 | 1889 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 17, 37, 51, 111, 629, 1887 | 1, 1889 |
| Number of properties | 0 | 5 |
| Chen primes | 178th | |
| Isolated primes | 175th | |
| Primes | 290th | |
| Pythagorean primes | 140th | |
| Sophie germain primes | 57th | |
| Roman numberals | MDCCCLXXXVII | MDCCCLXXXIX |
| Base 2 | 111010111112 | 111011000012 |
| Base 3 | 21202203 | 21202223 |
| Base 4 | 1311334 | 1312014 |
| Base 5 | 300225 | 300245 |
| Base 6 | 124236 | 124256 |
| Base 7 | 53347 | 53367 |
| Base 8 | 35378 | 35418 |
| Base 9 | 25269 | 25289 |
| Base 10 | 188710 | 188910 |
| Base 11 | 146611 | 146811 |
| Base 12 | 111312 | 111512 |
| Base 13 | b2213 | b2413 |
| Base 14 | 98b14 | 98d14 |
| Base 15 | 85c15 | 85e15 |
| Base 16 | 75f16 | 76116 |