Compare 243643 vs 243649
| Property | 243643 | 243649 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2436431 | 71 × 348071 |
| Prime factorization | 243643 | 7 × 34807 |
| Divisors count | 2 | 4 |
| Divisors | 1, 243643 | 1, 7, 34807, 243649 |
| Number of properties | 3 | 1 |
| Cousin primes (1st member) | 2522nd | |
| Isolated primes | 16463rd | |
| Primes | 21520th | |
| Semiprimes | 54593rd | |
| Roman numberals | ||
| Base 2 | 1110110111101110112 | 1110110111110000012 |
| Base 3 | 1101010122113 | 1101010200013 |
| Base 4 | 3231323234 | 3231330014 |
| Base 5 | 302440335 | 302440445 |
| Base 6 | 51155516 | 51200016 |
| Base 7 | 20332217 | 20332307 |
| Base 8 | 7336738 | 7337018 |
| Base 9 | 4111849 | 4112019 |
| Base 10 | 24364310 | 24364910 |
| Base 11 | 15706411 | 15706a11 |
| Base 12 | b8bb712 | b900112 |
| Base 13 | 86b8a13 | 86b9313 |
| Base 14 | 64b1114 | 64b1714 |
| Base 15 | 4c2cd15 | 4c2d415 |
| Base 16 | 3b7bb16 | 3b7c116 |