Compare 275 vs 281
| Property | 275 | 281 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 52 × 111 | 2811 |
| Prime factorization | 5 × 5 × 11 | 281 |
| Divisors count | 6 | 2 |
| Divisors | 1, 5, 11, 25, 55, 275 | 1, 281 |
| Number of properties | 0 | 10 |
| Additive primes | 34th | |
| Centered decagonal primes | 7th | |
| Chen primes | 45th | |
| Cousin primes (2nd member) | 17th | |
| Harmonic primes | 23rd | |
| Primes | 60th | |
| Prime triplets (2nd member) | 17th | |
| Pythagorean primes | 28th | |
| Sophie germain primes | 19th | |
| Twin primes (1st member) | 19th | |
| Roman numberals | CCLXXV | CCLXXXI |
| Base 2 | 1000100112 | 1000110012 |
| Base 3 | 1010123 | 1011023 |
| Base 4 | 101034 | 101214 |
| Base 5 | 21005 | 21115 |
| Base 6 | 11356 | 11456 |
| Base 7 | 5427 | 5517 |
| Base 8 | 4238 | 4318 |
| Base 9 | 3359 | 3429 |
| Base 10 | 27510 | 28110 |
| Base 11 | 23011 | 23611 |
| Base 12 | 1ab12 | 1b512 |
| Base 13 | 18213 | 18813 |
| Base 14 | 15914 | 16114 |
| Base 15 | 13515 | 13b15 |
| Base 16 | 11316 | 11916 |