Compare 21821 vs 22013
| Property | 21821 | 22013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 218211 | 220131 |
| Prime factorization | 21821 | 22013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21821 | 1, 22013 |
| Number of properties | 6 | 4 |
| Chen primes | 1201st | |
| Cousin primes (2nd member) | 372nd | |
| Isolated primes | 1707th | 1723rd |
| Long primes | 926th | |
| Primes | 2448th | 2466th |
| Pythagorean primes | 1215th | 1224th |
| Sophie germain primes | 355th | |
| Roman numberals | ||
| Base 2 | 1010101001111012 | 1010101111111012 |
| Base 3 | 10022210123 | 10100120223 |
| Base 4 | 111103314 | 111133314 |
| Base 5 | 11442415 | 12010235 |
| Base 6 | 2450056 | 2455256 |
| Base 7 | 1204227 | 1211157 |
| Base 8 | 524758 | 527758 |
| Base 9 | 328359 | 331689 |
| Base 10 | 2182110 | 2201310 |
| Base 11 | 1543811 | 155a211 |
| Base 12 | 1076512 | 108a512 |
| Base 13 | 9c1713 | a03413 |
| Base 14 | 7d4914 | 804514 |
| Base 15 | 66eb15 | 67c815 |
| Base 16 | 553d16 | 55fd16 |