Compare 281 vs 1051
| Property | 281 | 1051 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2811 | 10511 |
| Prime factorization | 281 | 1051 |
| Divisors count | 2 | 2 |
| Divisors | 1, 281 | 1, 1051 |
| Number of properties | 10 | 5 |
| Additive primes | 34th | 95th |
| Centered decagonal primes | 7th | 10th |
| Chen primes | 45th | |
| Cousin primes (2nd member) | 17th | |
| Harmonic primes | 23rd | |
| Long primes | 64th | |
| Primes | 60th | 177th |
| Prime triplets (2nd member) | 17th | |
| Pythagorean primes | 28th | |
| Sophie germain primes | 19th | |
| Twin primes (1st member) | 19th | |
| Twin primes (2nd member) | 38th | |
| Roman numberals | CCLXXXI | MLI |
| Base 2 | 1000110012 | 100000110112 |
| Base 3 | 1011023 | 11022213 |
| Base 4 | 101214 | 1001234 |
| Base 5 | 21115 | 132015 |
| Base 6 | 11456 | 45116 |
| Base 7 | 5517 | 30317 |
| Base 8 | 4318 | 20338 |
| Base 9 | 3429 | 13879 |
| Base 10 | 28110 | 105110 |
| Base 11 | 23611 | 87611 |
| Base 12 | 1b512 | 73712 |
| Base 13 | 18813 | 62b13 |
| Base 14 | 16114 | 55114 |
| Base 15 | 13b15 | 4a115 |
| Base 16 | 11916 | 41b16 |