Compare 1878 vs 1889
| Property | 1878 | 1889 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 3131 | 18891 |
| Prime factorization | 2 × 3 × 313 | 1889 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 313, 626, 939, 1878 | 1, 1889 |
| Number of properties | 0 | 5 |
| Chen primes | 178th | |
| Isolated primes | 175th | |
| Primes | 290th | |
| Pythagorean primes | 140th | |
| Sophie germain primes | 57th | |
| Roman numberals | MDCCCLXXVIII | MDCCCLXXXIX |
| Base 2 | 111010101102 | 111011000012 |
| Base 3 | 21201203 | 21202223 |
| Base 4 | 1311124 | 1312014 |
| Base 5 | 300035 | 300245 |
| Base 6 | 124106 | 124256 |
| Base 7 | 53227 | 53367 |
| Base 8 | 35268 | 35418 |
| Base 9 | 25169 | 25289 |
| Base 10 | 187810 | 188910 |
| Base 11 | 145811 | 146811 |
| Base 12 | 110612 | 111512 |
| Base 13 | b1613 | b2413 |
| Base 14 | 98214 | 98d14 |
| Base 15 | 85315 | 85e15 |
| Base 16 | 75616 | 76116 |