Compare 229 vs 281
| Property | 229 | 281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2291 | 2811 |
| Prime factorization | 229 | 281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 229 | 1, 281 |
| Number of properties | 9 | 10 |
| Additive primes | 30th | 34th |
| Centered decagonal primes | 7th | |
| Chen primes | 45th | |
| Cousin primes (1st member) | 16th | |
| Cousin primes (2nd member) | 17th | |
| Harmonic primes | 23rd | |
| Long primes | 19th | |
| Primes | 50th | 60th |
| Prime triplets (2nd member) | 16th | 17th |
| Prime triplets (3rd member) | 15th | |
| Pythagorean primes | 22nd | 28th |
| Sexy primes (2nd member) | 27th | |
| Sophie germain primes | 19th | |
| Twin primes (1st member) | 19th | |
| Twin primes (2nd member) | 16th | |
| Roman numberals | CCXXIX | CCLXXXI |
| Base 2 | 111001012 | 1000110012 |
| Base 3 | 221113 | 1011023 |
| Base 4 | 32114 | 101214 |
| Base 5 | 14045 | 21115 |
| Base 6 | 10216 | 11456 |
| Base 7 | 4457 | 5517 |
| Base 8 | 3458 | 4318 |
| Base 9 | 2749 | 3429 |
| Base 10 | 22910 | 28110 |
| Base 11 | 19911 | 23611 |
| Base 12 | 17112 | 1b512 |
| Base 13 | 14813 | 18813 |
| Base 14 | 12514 | 16114 |
| Base 15 | 10415 | 13b15 |
| Base 16 | e516 | 11916 |