Compare 281 vs 3251
| Property | 281 | 3251 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2811 | 32511 |
| Prime factorization | 281 | 3251 |
| Divisors count | 2 | 2 |
| Divisors | 1, 281 | 1, 3251 |
| Number of properties | 10 | 11 |
| Additive primes | 34th | 235th |
| Centered decagonal primes | 7th | 18th |
| Chen primes | 45th | 272nd |
| Cousin primes (2nd member) | 17th | |
| Emirps | 111th | |
| Good primes | 83rd | |
| Harmonic primes | 23rd | |
| Long primes | 182nd | |
| Primes | 60th | 458th |
| Prime quadruplets (1st member) | 9th | |
| Prime triplets (1st member) | 63rd | |
| Prime triplets (2nd member) | 17th | |
| Pythagorean primes | 28th | |
| Sexy primes (1st member) | 175th | |
| Sophie germain primes | 19th | |
| Twin primes (1st member) | 19th | 85th |
| Roman numberals | CCLXXXI | MMMCCLI |
| Base 2 | 1000110012 | 1100101100112 |
| Base 3 | 1011023 | 111101023 |
| Base 4 | 101214 | 3023034 |
| Base 5 | 21115 | 1010015 |
| Base 6 | 11456 | 230156 |
| Base 7 | 5517 | 123237 |
| Base 8 | 4318 | 62638 |
| Base 9 | 3429 | 44129 |
| Base 10 | 28110 | 325110 |
| Base 11 | 23611 | 249611 |
| Base 12 | 1b512 | 1a6b12 |
| Base 13 | 18813 | 163113 |
| Base 14 | 16114 | 128314 |
| Base 15 | 13b15 | e6b15 |
| Base 16 | 11916 | cb316 |