Compare 20947 vs 20954
| Property | 20947 | 20954 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 209471 | 21 × 104771 |
| Prime factorization | 20947 | 2 × 10477 |
| Divisors count | 2 | 4 |
| Divisors | 1, 20947 | 1, 2, 10477, 20954 |
| Number of properties | 3 | 1 |
| Chen primes | 1160th | |
| Isolated primes | 1645th | |
| Primes | 2356th | |
| Semiprimes | 5316th | |
| Roman numberals | ||
| Base 2 | 1010001110100112 | 1010001110110102 |
| Base 3 | 10012012113 | 10012020023 |
| Base 4 | 110131034 | 110131224 |
| Base 5 | 11322425 | 11323045 |
| Base 6 | 2405516 | 2410026 |
| Base 7 | 1150337 | 1150437 |
| Base 8 | 507238 | 507328 |
| Base 9 | 316549 | 316629 |
| Base 10 | 2094710 | 2095410 |
| Base 11 | 1481311 | 1481a11 |
| Base 12 | 1015712 | 1016212 |
| Base 13 | 96c413 | 96cb13 |
| Base 14 | 78c314 | 78ca14 |
| Base 15 | 631715 | 631e15 |
| Base 16 | 51d316 | 51da16 |