Compare 249249 vs 249257
| Property | 249249 | 249257 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 31 × 71 × 111 × 131 × 831 | 2492571 |
| Prime factorization | 3 × 7 × 11 × 13 × 83 | 249257 |
| Divisors count | 32 | 2 |
| Divisors | 1, 3, 7, 11, 13, 21, 33, 39, 77, 83, 91, 143, 231, 249, 273, 429, 581, 913, 1001, 1079, 1743, 2739, 3003, 3237, 6391, 7553, 11869, 19173, 22659, 35607, 83083, 249249 | 1, 249257 |
| Number of properties | 0 | 5 |
| Additive primes | 8907th | |
| Chen primes | 9097th | |
| Cousin primes (2nd member) | 2571st | |
| Isolated primes | 16822nd | |
| Primes | 21985th | |
| Roman numberals | ||
| Base 2 | 1111001101101000012 | 1111001101101010012 |
| Base 3 | 1101222201103 | 1101222202023 |
| Base 4 | 3303122014 | 3303122214 |
| Base 5 | 304334445 | 304340125 |
| Base 6 | 52015336 | 52015456 |
| Base 7 | 20554507 | 20554617 |
| Base 8 | 7466418 | 7466518 |
| Base 9 | 4188139 | 4188229 |
| Base 10 | 24924910 | 24925710 |
| Base 11 | 1602a011 | 1602a811 |
| Base 12 | 1002a912 | 1002b512 |
| Base 13 | 895b013 | 895b813 |
| Base 14 | 66b9714 | 66ba114 |
| Base 15 | 4dcb915 | 4dcc215 |
| Base 16 | 3cda116 | 3cda916 |