Compare 1721 vs 2087
| Property | 1721 | 2087 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 17211 | 20871 |
| Prime factorization | 1721 | 2087 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1721 | 1, 2087 |
| Number of properties | 6 | 9 |
| Additive primes | 143rd | 164th |
| Chen primes | 169th | 193rd |
| Cousin primes (2nd member) | 66th | |
| Primes | 268th | 315th |
| Prime quadruplets (3rd member) | 8th | |
| Prime triplets (2nd member) | 52nd | |
| Prime triplets (3rd member) | 51st | |
| Pythagorean primes | 130th | |
| Sexy primes (2nd member) | 132nd | |
| Twin primes (1st member) | 55th | 64th |
| Ulam primes | 25th | |
| Roman numberals | MDCCXXI | MMLXXXVII |
| Base 2 | 110101110012 | 1000001001112 |
| Base 3 | 21002023 | 22120223 |
| Base 4 | 1223214 | 2002134 |
| Base 5 | 233415 | 313225 |
| Base 6 | 115456 | 133556 |
| Base 7 | 50067 | 60417 |
| Base 8 | 32718 | 40478 |
| Base 9 | 23229 | 27689 |
| Base 10 | 172110 | 208710 |
| Base 11 | 132511 | 162811 |
| Base 12 | bb512 | 125b12 |
| Base 13 | a2513 | c4713 |
| Base 14 | 8ad14 | a9114 |
| Base 15 | 79b15 | 94215 |
| Base 16 | 6b916 | 82716 |