Compare 281 vs 337
| Property | 281 | 337 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2811 | 3371 |
| Prime factorization | 281 | 337 |
| Divisors count | 2 | 2 |
| Divisors | 1, 281 | 1, 337 |
| Number of properties | 10 | 11 |
| Additive primes | 34th | 40th |
| Centered decagonal primes | 7th | |
| Chen primes | 45th | 50th |
| Cousin primes (2nd member) | 17th | |
| Emirps | 17th | |
| Harmonic primes | 23rd | 29th |
| Isolated primes | 29th | |
| Left-truncatable primes | 25th | |
| Long primes | 25th | |
| Primes | 60th | 68th |
| Prime triplets (2nd member) | 17th | |
| Pythagorean primes | 28th | 32nd |
| Quartan primes | 5th | |
| Sexy primes (2nd member) | 37th | |
| Sophie germain primes | 19th | |
| Twin primes (1st member) | 19th | |
| Roman numberals | CCLXXXI | CCCXXXVII |
| Base 2 | 1000110012 | 1010100012 |
| Base 3 | 1011023 | 1101113 |
| Base 4 | 101214 | 111014 |
| Base 5 | 21115 | 23225 |
| Base 6 | 11456 | 13216 |
| Base 7 | 5517 | 6617 |
| Base 8 | 4318 | 5218 |
| Base 9 | 3429 | 4149 |
| Base 10 | 28110 | 33710 |
| Base 11 | 23611 | 28711 |
| Base 12 | 1b512 | 24112 |
| Base 13 | 18813 | 1cc13 |
| Base 14 | 16114 | 1a114 |
| Base 15 | 13b15 | 17715 |
| Base 16 | 11916 | 15116 |