Compare 2381 vs 2591
| Property | 2381 | 2591 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 23811 | 25911 |
| Prime factorization | 2381 | 2591 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2381 | 1, 2591 |
| Number of properties | 9 | 6 |
| Additive primes | 198th | |
| Centered square primes | 17th | |
| Chen primes | 213th | 228th |
| Class 1+ primes | 21st | |
| Cousin primes (2nd member) | 73rd | |
| Harmonic primes | 132nd | |
| Pierpont primes of the 2nd kind | 21st | |
| Primes | 353rd | 377th |
| Prime triplets (2nd member) | 56th | |
| Pythagorean primes | 173rd | |
| Super primes | 71st | |
| Twin primes (1st member) | 72nd | 74th |
| Roman numberals | MMCCCLXXXI | MMDXCI |
| Base 2 | 1001010011012 | 1010000111112 |
| Base 3 | 100210123 | 101122223 |
| Base 4 | 2110314 | 2201334 |
| Base 5 | 340115 | 403315 |
| Base 6 | 150056 | 155556 |
| Base 7 | 66417 | 103617 |
| Base 8 | 45158 | 50378 |
| Base 9 | 32359 | 34889 |
| Base 10 | 238110 | 259110 |
| Base 11 | 187511 | 1a4611 |
| Base 12 | 146512 | 15bb12 |
| Base 13 | 111213 | 124413 |
| Base 14 | c2114 | d3114 |
| Base 15 | a8b15 | b7b15 |
| Base 16 | 94d16 | a1f16 |