Compare 2381 vs 2521
| Property | 2381 | 2521 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 23811 | 25211 |
| Prime factorization | 2381 | 2521 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2381 | 1, 2521 |
| Number of properties | 9 | 6 |
| Centered square primes | 17th | 18th |
| Chen primes | 213th | |
| Cousin primes (2nd member) | 73rd | |
| Good primes | 71st | |
| Harmonic primes | 132nd | 138th |
| Isolated primes | 226th | |
| Primes | 353rd | 369th |
| Prime triplets (2nd member) | 56th | |
| Pythagorean primes | 173rd | 181st |
| Super primes | 71st | |
| Twin primes (1st member) | 72nd | |
| Roman numberals | MMCCCLXXXI | MMDXXI |
| Base 2 | 1001010011012 | 1001110110012 |
| Base 3 | 100210123 | 101101013 |
| Base 4 | 2110314 | 2131214 |
| Base 5 | 340115 | 400415 |
| Base 6 | 150056 | 154016 |
| Base 7 | 66417 | 102317 |
| Base 8 | 45158 | 47318 |
| Base 9 | 32359 | 34119 |
| Base 10 | 238110 | 252110 |
| Base 11 | 187511 | 199211 |
| Base 12 | 146512 | 156112 |
| Base 13 | 111213 | 11bc13 |
| Base 14 | c2114 | cc114 |
| Base 15 | a8b15 | b3115 |
| Base 16 | 94d16 | 9d916 |