Compare 1889 vs 2129
| Property | 1889 | 2129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18891 | 21291 |
| Prime factorization | 1889 | 2129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1889 | 1, 2129 |
| Number of properties | 5 | 5 |
| Chen primes | 178th | 196th |
| Isolated primes | 175th | |
| Primes | 290th | 320th |
| Pythagorean primes | 140th | 155th |
| Sophie germain primes | 57th | 65th |
| Twin primes (1st member) | 66th | |
| Roman numberals | MDCCCLXXXIX | MMCXXIX |
| Base 2 | 111011000012 | 1000010100012 |
| Base 3 | 21202223 | 22202123 |
| Base 4 | 1312014 | 2011014 |
| Base 5 | 300245 | 320045 |
| Base 6 | 124256 | 135056 |
| Base 7 | 53367 | 61317 |
| Base 8 | 35418 | 41218 |
| Base 9 | 25289 | 28259 |
| Base 10 | 188910 | 212910 |
| Base 11 | 146811 | 166611 |
| Base 12 | 111512 | 129512 |
| Base 13 | b2413 | c7a13 |
| Base 14 | 98d14 | ac114 |
| Base 15 | 85e15 | 96e15 |
| Base 16 | 76116 | 85116 |