Compare 2381 vs 2399
| Property | 2381 | 2399 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 23811 | 23991 |
| Prime factorization | 2381 | 2399 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2381 | 1, 2399 |
| Number of properties | 9 | 6 |
| Additive primes | 188th | |
| Centered square primes | 17th | |
| Chen primes | 213th | |
| Cousin primes (2nd member) | 73rd | |
| Harmonic primes | 132nd | |
| Isolated primes | 214th | |
| Primes | 353rd | 357th |
| Prime triplets (2nd member) | 56th | |
| Pythagorean primes | 173rd | |
| Right-truncatable primes | 31st | |
| Sexy primes (2nd member) | 147th | |
| Sophie germain primes | 71st | |
| Super primes | 71st | |
| Twin primes (1st member) | 72nd | |
| Roman numberals | MMCCCLXXXI | MMCCCXCIX |
| Base 2 | 1001010011012 | 1001010111112 |
| Base 3 | 100210123 | 100212123 |
| Base 4 | 2110314 | 2111334 |
| Base 5 | 340115 | 340445 |
| Base 6 | 150056 | 150356 |
| Base 7 | 66417 | 66657 |
| Base 8 | 45158 | 45378 |
| Base 9 | 32359 | 32559 |
| Base 10 | 238110 | 239910 |
| Base 11 | 187511 | 189111 |
| Base 12 | 146512 | 147b12 |
| Base 13 | 111213 | 112713 |
| Base 14 | c2114 | c3514 |
| Base 15 | a8b15 | a9e15 |
| Base 16 | 94d16 | 95f16 |