Compare 21169 vs 21221
| Property | 21169 | 21221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211691 | 212211 |
| Prime factorization | 21169 | 21221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21169 | 1, 21221 |
| Number of properties | 9 | 6 |
| Additive primes | 1106th | |
| Chen primes | 1169th | 1172nd |
| Cuban primes 2 | 17th | |
| Isolated primes | 1661st | 1665th |
| Lucky primes | 386th | |
| Primes | 2380th | 2386th |
| Pythagorean primes | 1182nd | 1184th |
| Sexy primes (1st member) | 723rd | |
| Sexy primes (2nd member) | 721st | |
| Sexy prime triplets (3rd member) | 197th | |
| Sophie germain primes | 346th | |
| Roman numberals | ||
| Base 2 | 1010010101100012 | 1010010111001012 |
| Base 3 | 10020010013 | 10020022223 |
| Base 4 | 110223014 | 110232114 |
| Base 5 | 11341345 | 11343415 |
| Base 6 | 2420016 | 2421256 |
| Base 7 | 1155017 | 1156047 |
| Base 8 | 512618 | 513458 |
| Base 9 | 320319 | 320889 |
| Base 10 | 2116910 | 2122110 |
| Base 11 | 149a511 | 14a4211 |
| Base 12 | 1030112 | 1034512 |
| Base 13 | 983513 | 987513 |
| Base 14 | 7a0114 | 7a3b14 |
| Base 15 | 641415 | 644b15 |
| Base 16 | 52b116 | 52e516 |