Compare 20947 vs 20957
| Property | 20947 | 20957 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 209471 | 191 × 11031 |
| Prime factorization | 20947 | 19 × 1103 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20947 | 1, 19, 1103, 20957 |
| Number of properties | 3 | 1 |
| Chen primes | 1160th | |
| Isolated primes | 1645th | |
| Primes | 2356th | |
| Semiprimes | 5317th | |
| Roman numberals | ||
| Base 2 | 1010001110100112 | 1010001110111012 |
| Base 3 | 10012012113 | 10012020123 |
| Base 4 | 110131034 | 110131314 |
| Base 5 | 11322425 | 11323125 |
| Base 6 | 2405516 | 2410056 |
| Base 7 | 1150337 | 1150467 |
| Base 8 | 507238 | 507358 |
| Base 9 | 316549 | 316659 |
| Base 10 | 2094710 | 2095710 |
| Base 11 | 1481311 | 1482211 |
| Base 12 | 1015712 | 1016512 |
| Base 13 | 96c413 | 970113 |
| Base 14 | 78c314 | 78cd14 |
| Base 15 | 631715 | 632215 |
| Base 16 | 51d316 | 51dd16 |