Compare 243115 vs 243121
| Property | 243115 | 243121 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 486231 | 2431211 |
| Prime factorization | 5 × 48623 | 243121 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 48623, 243115 | 1, 243121 |
| Number of properties | 1 | 4 |
| Additive primes | 8717th | |
| Chen primes | 8907th | |
| Primes | 21477th | |
| Semiprimes | 54485th | |
| Twin primes (2nd member) | 2526th | |
| Roman numberals | ||
| Base 2 | 1110110101101010112 | 1110110101101100012 |
| Base 3 | 1101001110213 | 1101001111113 |
| Base 4 | 3231122234 | 3231123014 |
| Base 5 | 302344305 | 302344415 |
| Base 6 | 51133116 | 51133216 |
| Base 7 | 20315357 | 20315447 |
| Base 8 | 7326538 | 7326618 |
| Base 9 | 4104379 | 4104449 |
| Base 10 | 24311510 | 24312110 |
| Base 11 | 15672411 | 15672a11 |
| Base 12 | b883712 | b884112 |
| Base 13 | 8687213 | 8687813 |
| Base 14 | 6485514 | 6485b14 |
| Base 15 | 4c07a15 | 4c08115 |
| Base 16 | 3b5ab16 | 3b5b116 |