Compare 20947 vs 21149
| Property | 20947 | 21149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209471 | 211491 |
| Prime factorization | 20947 | 21149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20947 | 1, 21149 |
| Number of properties | 3 | 11 |
| Additive primes | 1104th | |
| Chen primes | 1160th | 1168th |
| Happy primes | 394th | |
| Isolated primes | 1645th | 1658th |
| Long primes | 904th | |
| Primes | 2356th | 2377th |
| Pythagorean primes | 1180th | |
| Sexy primes (2nd member) | 719th | |
| Sophie germain primes | 344th | |
| Super primes | 352nd | |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010001110100112 | 1010010100111012 |
| Base 3 | 10012012113 | 10020000223 |
| Base 4 | 110131034 | 110221314 |
| Base 5 | 11322425 | 11340445 |
| Base 6 | 2405516 | 2415256 |
| Base 7 | 1150337 | 1154427 |
| Base 8 | 507238 | 512358 |
| Base 9 | 316549 | 320089 |
| Base 10 | 2094710 | 2114910 |
| Base 11 | 1481311 | 1498711 |
| Base 12 | 1015712 | 102a512 |
| Base 13 | 96c413 | 981b13 |
| Base 14 | 78c314 | 79c914 |
| Base 15 | 631715 | 63ee15 |
| Base 16 | 51d316 | 529d16 |