Compare 213247 vs 213257
| Property | 213247 | 213257 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2132471 | 111 × 193871 |
| Prime factorization | 213247 | 11 × 19387 |
| Divisors count | 2 | 4 |
| Divisors | 1, 213247 | 1, 11, 19387, 213257 |
| Number of properties | 4 | 1 |
| Additive primes | 7708th | |
| Isolated primes | 14517th | |
| Primes | 19068th | |
| Semiprimes | 48069th | |
| Sexy primes (1st member) | 4525th | |
| Roman numberals | ||
| Base 2 | 1101000000111111112 | 1101000001000010012 |
| Base 3 | 1012111120013 | 1012111121023 |
| Base 4 | 3100033334 | 3100100214 |
| Base 5 | 233104425 | 233110125 |
| Base 6 | 43231316 | 43231456 |
| Base 7 | 15454667 | 15455127 |
| Base 8 | 6403778 | 6404118 |
| Base 9 | 3544619 | 3544729 |
| Base 10 | 21324710 | 21325710 |
| Base 11 | 13624111 | 13625011 |
| Base 12 | a34a712 | a34b512 |
| Base 13 | 760a813 | 760b513 |
| Base 14 | 579dd14 | 57a0914 |
| Base 15 | 432b715 | 432c215 |
| Base 16 | 340ff16 | 3410916 |