Compare 20947 vs 21221
| Property | 20947 | 21221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209471 | 212211 |
| Prime factorization | 20947 | 21221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20947 | 1, 21221 |
| Number of properties | 3 | 6 |
| Chen primes | 1160th | 1172nd |
| Isolated primes | 1645th | 1665th |
| Primes | 2356th | 2386th |
| Pythagorean primes | 1184th | |
| Sexy primes (1st member) | 723rd | |
| Sophie germain primes | 346th | |
| Roman numberals | ||
| Base 2 | 1010001110100112 | 1010010111001012 |
| Base 3 | 10012012113 | 10020022223 |
| Base 4 | 110131034 | 110232114 |
| Base 5 | 11322425 | 11343415 |
| Base 6 | 2405516 | 2421256 |
| Base 7 | 1150337 | 1156047 |
| Base 8 | 507238 | 513458 |
| Base 9 | 316549 | 320889 |
| Base 10 | 2094710 | 2122110 |
| Base 11 | 1481311 | 14a4211 |
| Base 12 | 1015712 | 1034512 |
| Base 13 | 96c413 | 987513 |
| Base 14 | 78c314 | 7a3b14 |
| Base 15 | 631715 | 644b15 |
| Base 16 | 51d316 | 52e516 |