Compare 1787 vs 1949
| Property | 1787 | 1949 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 17871 | 19491 |
| Prime factorization | 1787 | 1949 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1787 | 1, 1949 |
| Number of properties | 7 | 8 |
| Additive primes | 148th | 156th |
| Chen primes | 173rd | 183rd |
| Cousin primes (2nd member) | 61st | |
| Emirps | 95th | |
| Harmonic primes | 110th | |
| Long primes | 115th | |
| Primes | 277th | 296th |
| Prime triplets (2nd member) | 45th | |
| Pythagorean primes | 144th | |
| Super primes | 59th | |
| Twin primes (1st member) | 56th | 60th |
| Roman numberals | MDCCLXXXVII | MCMXLIX |
| Base 2 | 110111110112 | 111100111012 |
| Base 3 | 21100123 | 22000123 |
| Base 4 | 1233234 | 1321314 |
| Base 5 | 241225 | 302445 |
| Base 6 | 121356 | 130056 |
| Base 7 | 51327 | 54537 |
| Base 8 | 33738 | 36358 |
| Base 9 | 24059 | 26059 |
| Base 10 | 178710 | 194910 |
| Base 11 | 138511 | 151211 |
| Base 12 | 104b12 | 116512 |
| Base 13 | a7613 | b6c13 |
| Base 14 | 91914 | 9d314 |
| Base 15 | 7e215 | 89e15 |
| Base 16 | 6fb16 | 79d16 |