Compare 205205 vs 205211
| Property | 205205 | 205211 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 51 × 71 × 111 × 131 × 411 | 2052111 |
| Prime factorization | 5 × 7 × 11 × 13 × 41 | 205211 |
| Divisors count | 32 | 2 |
| Divisors | 1, 5, 7, 11, 13, 35, 41, 55, 65, 77, 91, 143, 205, 287, 385, 451, 455, 533, 715, 1001, 1435, 2255, 2665, 3157, 3731, 5005, 5863, 15785, 18655, 29315, 41041, 205205 | 1, 205211 |
| Number of properties | 0 | 6 |
| Additive primes | 7420th | |
| Chen primes | 7692nd | |
| Long primes | 6888th | |
| Primes | 18400th | |
| Twin primes (1st member) | 2206th | |
| Ulam primes | 1323rd | |
| Roman numberals | ||
| Base 2 | 1100100001100101012 | 1100100001100110112 |
| Base 3 | 1011021110123 | 1011021111023 |
| Base 4 | 3020121114 | 3020121234 |
| Base 5 | 230313105 | 230313215 |
| Base 6 | 42220056 | 42220156 |
| Base 7 | 15131607 | 15131667 |
| Base 8 | 6206258 | 6206338 |
| Base 9 | 3424359 | 3424429 |
| Base 10 | 20520510 | 20521110 |
| Base 11 | 1301a011 | 1301a611 |
| Base 12 | 9a90512 | 9a90b12 |
| Base 13 | 7253013 | 7253613 |
| Base 14 | 54ad714 | 54add14 |
| Base 15 | 40c0515 | 40c0b15 |
| Base 16 | 3219516 | 3219b16 |