Compare 20947 vs 21001
| Property | 20947 | 21001 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209471 | 210011 |
| Prime factorization | 20947 | 21001 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20947 | 1, 21001 |
| Number of properties | 3 | 5 |
| Chen primes | 1160th | 1162nd |
| Harmonic primes | 867th | |
| Isolated primes | 1645th | 1648th |
| Primes | 2356th | 2361st |
| Pythagorean primes | 1173rd | |
| Roman numberals | ||
| Base 2 | 1010001110100112 | 1010010000010012 |
| Base 3 | 10012012113 | 10012102113 |
| Base 4 | 110131034 | 110200214 |
| Base 5 | 11322425 | 11330015 |
| Base 6 | 2405516 | 2411216 |
| Base 7 | 1150337 | 1151417 |
| Base 8 | 507238 | 510118 |
| Base 9 | 316549 | 317249 |
| Base 10 | 2094710 | 2100110 |
| Base 11 | 1481311 | 1486211 |
| Base 12 | 1015712 | 101a112 |
| Base 13 | 96c413 | 973613 |
| Base 14 | 78c314 | 792114 |
| Base 15 | 631715 | 635115 |
| Base 16 | 51d316 | 520916 |