Compare 281 vs 359
| Property | 281 | 359 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 2811 | 3591 | 
| Prime factorization | 281 | 359 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 281 | 1, 359 | 
| Number of properties | 10 | 9 | 
| Additive primes | 34th | 42nd | 
| Centered decagonal primes | 7th | |
| Chen primes | 45th | 53rd | 
| Cousin primes (2nd member) | 17th | |
| Emirps | 19th | |
| Harmonic primes | 23rd | |
| Isolated primes | 31st | |
| Primes | 60th | 72nd | 
| Prime triplets (2nd member) | 17th | |
| Pythagorean primes | 28th | |
| Safe primes | 14th | |
| Sexy primes (2nd member) | 39th | |
| Sexy prime triplets (3rd member) | 18th | |
| Sophie germain primes | 19th | 21st | 
| Twin primes (1st member) | 19th | |
| Roman numberals | CCLXXXI | CCCLIX | 
| Base 2 | 1000110012 | 1011001112 | 
| Base 3 | 1011023 | 1110223 | 
| Base 4 | 101214 | 112134 | 
| Base 5 | 21115 | 24145 | 
| Base 6 | 11456 | 13556 | 
| Base 7 | 5517 | 10227 | 
| Base 8 | 4318 | 5478 | 
| Base 9 | 3429 | 4389 | 
| Base 10 | 28110 | 35910 | 
| Base 11 | 23611 | 2a711 | 
| Base 12 | 1b512 | 25b12 | 
| Base 13 | 18813 | 21813 | 
| Base 14 | 16114 | 1b914 | 
| Base 15 | 13b15 | 18e15 | 
| Base 16 | 11916 | 16716 |