Compare 1869 vs 1871
| Property | 1869 | 1871 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 891 | 18711 |
| Prime factorization | 3 × 7 × 89 | 1871 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 89, 267, 623, 1869 | 1, 1871 |
| Number of properties | 0 | 11 |
| Additive primes | 151st | |
| Chen primes | 176th | |
| Cousin primes (2nd member) | 62nd | |
| Good primes | 60th | |
| Primes | 286th | |
| Prime quadruplets (1st member) | 7th | |
| Prime quintuplet 1s (2nd member) | 3rd | |
| Prime triplets (1st member) | 47th | |
| Prime triplets (2nd member) | 46th | |
| Sexy primes (1st member) | 122nd | |
| Twin primes (1st member) | 57th | |
| Roman numberals | MDCCCLXIX | MDCCCLXXI |
| Base 2 | 111010011012 | 111010011112 |
| Base 3 | 21200203 | 21200223 |
| Base 4 | 1310314 | 1310334 |
| Base 5 | 244345 | 244415 |
| Base 6 | 123536 | 123556 |
| Base 7 | 53107 | 53127 |
| Base 8 | 35158 | 35178 |
| Base 9 | 25069 | 25089 |
| Base 10 | 186910 | 187110 |
| Base 11 | 144a11 | 145111 |
| Base 12 | 10b912 | 10bb12 |
| Base 13 | b0a13 | b0c13 |
| Base 14 | 97714 | 97914 |
| Base 15 | 84915 | 84b15 |
| Base 16 | 74d16 | 74f16 |