Compare 1787 vs 1798
| Property | 1787 | 1798 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 17871 | 21 × 291 × 311 |
| Prime factorization | 1787 | 2 × 29 × 31 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1787 | 1, 2, 29, 31, 58, 62, 899, 1798 |
| Number of properties | 7 | 0 |
| Additive primes | 148th | |
| Chen primes | 173rd | |
| Cousin primes (2nd member) | 61st | |
| Primes | 277th | |
| Prime triplets (2nd member) | 45th | |
| Super primes | 59th | |
| Twin primes (1st member) | 56th | |
| Roman numberals | MDCCLXXXVII | MDCCXCVIII |
| Base 2 | 110111110112 | 111000001102 |
| Base 3 | 21100123 | 21101213 |
| Base 4 | 1233234 | 1300124 |
| Base 5 | 241225 | 241435 |
| Base 6 | 121356 | 121546 |
| Base 7 | 51327 | 51467 |
| Base 8 | 33738 | 34068 |
| Base 9 | 24059 | 24179 |
| Base 10 | 178710 | 179810 |
| Base 11 | 138511 | 139511 |
| Base 12 | 104b12 | 105a12 |
| Base 13 | a7613 | a8413 |
| Base 14 | 91914 | 92614 |
| Base 15 | 7e215 | 7ed15 |
| Base 16 | 6fb16 | 70616 |