Compare 1869 vs 1879
| Property | 1869 | 1879 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 891 | 18791 |
| Prime factorization | 3 × 7 × 89 | 1879 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 89, 267, 623, 1869 | 1, 1879 |
| Number of properties | 0 | 11 |
| Emirps | 91st | |
| Harmonic primes | 105th | |
| Lucky primes | 68th | |
| Primes | 289th | |
| Prime quadruplets (4th member) | 7th | |
| Prime quintuplet 1s (5th member) | 3rd | |
| Prime triplets (3rd member) | 48th | |
| Sexy primes (2nd member) | 123rd | |
| Sexy prime quadrupletss (4th member) | 12th | |
| Sexy prime triplets (3rd member) | 48th | |
| Twin primes (2nd member) | 58th | |
| Roman numberals | MDCCCLXIX | MDCCCLXXIX |
| Base 2 | 111010011012 | 111010101112 |
| Base 3 | 21200203 | 21201213 |
| Base 4 | 1310314 | 1311134 |
| Base 5 | 244345 | 300045 |
| Base 6 | 123536 | 124116 |
| Base 7 | 53107 | 53237 |
| Base 8 | 35158 | 35278 |
| Base 9 | 25069 | 25179 |
| Base 10 | 186910 | 187910 |
| Base 11 | 144a11 | 145911 |
| Base 12 | 10b912 | 110712 |
| Base 13 | b0a13 | b1713 |
| Base 14 | 97714 | 98314 |
| Base 15 | 84915 | 85415 |
| Base 16 | 74d16 | 75716 |