Compare 21221 vs 22013
| Property | 21221 | 22013 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212211 | 220131 |
| Prime factorization | 21221 | 22013 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21221 | 1, 22013 |
| Number of properties | 6 | 4 |
| Chen primes | 1172nd | |
| Isolated primes | 1665th | 1723rd |
| Primes | 2386th | 2466th |
| Pythagorean primes | 1184th | 1224th |
| Sexy primes (1st member) | 723rd | |
| Sophie germain primes | 346th | 355th |
| Roman numberals | ||
| Base 2 | 1010010111001012 | 1010101111111012 |
| Base 3 | 10020022223 | 10100120223 |
| Base 4 | 110232114 | 111133314 |
| Base 5 | 11343415 | 12010235 |
| Base 6 | 2421256 | 2455256 |
| Base 7 | 1156047 | 1211157 |
| Base 8 | 513458 | 527758 |
| Base 9 | 320889 | 331689 |
| Base 10 | 2122110 | 2201310 |
| Base 11 | 14a4211 | 155a211 |
| Base 12 | 1034512 | 108a512 |
| Base 13 | 987513 | a03413 |
| Base 14 | 7a3b14 | 804514 |
| Base 15 | 644b15 | 67c815 |
| Base 16 | 52e516 | 55fd16 |