Compare 252 vs 257
| Property | 252 | 257 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 22 × 32 × 71 | 2571 |
| Prime factorization | 2 × 2 × 3 × 3 × 7 | 257 |
| Divisors count | 18 | 2 |
| Divisors | 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252 | 1, 257 |
| Number of properties | 0 | 16 |
| Chen primes | 42nd | |
| Fermat primes | 4th | |
| Good primes | 20th | |
| Isolated primes | 22nd | |
| Long primes | 21st | |
| Pierpont primes | 14th | |
| Primes | 55th | |
| Proth primes | 10th | |
| Pythagorean primes | 25th | |
| Quartan primes | 4th | |
| Sexy primes (1st member) | 31st | |
| Sexy primes (2nd member) | 30th | |
| Sexy prime quadrupletss (2nd member) | 5th | |
| Sexy prime triplets (1st member) | 16th | |
| Sexy prime triplets (2nd member) | 15th | |
| Solinas primes | 31st | |
| Roman numberals | CCLII | CCLVII |
| Base 2 | 111111002 | 1000000012 |
| Base 3 | 1001003 | 1001123 |
| Base 4 | 33304 | 100014 |
| Base 5 | 20025 | 20125 |
| Base 6 | 11006 | 11056 |
| Base 7 | 5107 | 5157 |
| Base 8 | 3748 | 4018 |
| Base 9 | 3109 | 3159 |
| Base 10 | 25210 | 25710 |
| Base 11 | 20a11 | 21411 |
| Base 12 | 19012 | 19512 |
| Base 13 | 16513 | 16a13 |
| Base 14 | 14014 | 14514 |
| Base 15 | 11c15 | 12215 |
| Base 16 | fc16 | 10116 |