Compare 20947 vs 21143
| Property | 20947 | 21143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209471 | 211431 |
| Prime factorization | 20947 | 21143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20947 | 1, 21143 |
| Number of properties | 3 | 9 |
| Additive primes | 1103rd | |
| Chen primes | 1160th | 1167th |
| Cousin primes (2nd member) | 360th | |
| Happy primes | 393rd | |
| Harmonic primes | 873rd | |
| Isolated primes | 1645th | 1657th |
| Long primes | 903rd | |
| Primes | 2356th | 2376th |
| Sexy primes (1st member) | 719th | |
| Roman numberals | ||
| Base 2 | 1010001110100112 | 1010010100101112 |
| Base 3 | 10012012113 | 10020000023 |
| Base 4 | 110131034 | 110221134 |
| Base 5 | 11322425 | 11340335 |
| Base 6 | 2405516 | 2415156 |
| Base 7 | 1150337 | 1154337 |
| Base 8 | 507238 | 512278 |
| Base 9 | 316549 | 320029 |
| Base 10 | 2094710 | 2114310 |
| Base 11 | 1481311 | 1498111 |
| Base 12 | 1015712 | 1029b12 |
| Base 13 | 96c413 | 981513 |
| Base 14 | 78c314 | 79c314 |
| Base 15 | 631715 | 63e815 |
| Base 16 | 51d316 | 529716 |