Compare 21221 vs 21313
| Property | 21221 | 21313 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212211 | 213131 |
| Prime factorization | 21221 | 21313 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21221 | 1, 21313 |
| Number of properties | 6 | 7 |
| Chen primes | 1172nd | |
| Cousin primes (1st member) | 362nd | |
| Good primes | 267th | |
| Isolated primes | 1665th | 1671st |
| Primes | 2386th | 2392nd |
| Prime triplets (1st member) | 179th | |
| Pythagorean primes | 1184th | 1187th |
| Sexy primes (1st member) | 723rd | 725th |
| Sophie germain primes | 346th | |
| Roman numberals | ||
| Base 2 | 1010010111001012 | 1010011010000012 |
| Base 3 | 10020022223 | 10020201013 |
| Base 4 | 110232114 | 110310014 |
| Base 5 | 11343415 | 11402235 |
| Base 6 | 2421256 | 2424016 |
| Base 7 | 1156047 | 1160657 |
| Base 8 | 513458 | 515018 |
| Base 9 | 320889 | 322119 |
| Base 10 | 2122110 | 2131310 |
| Base 11 | 14a4211 | 1501611 |
| Base 12 | 1034512 | 1040112 |
| Base 13 | 987513 | 991613 |
| Base 14 | 7a3b14 | 7aa514 |
| Base 15 | 644b15 | 64ad15 |
| Base 16 | 52e516 | 534116 |