Compare 209221 vs 209228
| Property | 209221 | 209228 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 2092211 | 22 × 191 × 27531 |
| Prime factorization | 209221 | 2 × 2 × 19 × 2753 |
| Divisors count | 2 | 12 |
| Divisors | 1, 209221 | 1, 2, 4, 19, 38, 76, 2753, 5506, 11012, 52307, 104614, 209228 |
| Number of properties | 7 | 0 |
| Happy primes | 2853rd | |
| Isolated primes | 14246th | |
| Long primes | 7010th | |
| Primes | 18735th | |
| Pythagorean primes | 9356th | |
| Sexy primes (1st member) | 4450th | |
| Sexy prime triplets (1st member) | 897th | |
| Roman numberals | ||
| Base 2 | 1100110001010001012 | 1100110001010011002 |
| Base 3 | 1011212222213 | 1011220000123 |
| Base 4 | 3030110114 | 3030110304 |
| Base 5 | 231433415 | 231434035 |
| Base 6 | 42523416 | 42523526 |
| Base 7 | 15306557 | 15306657 |
| Base 8 | 6305058 | 6305148 |
| Base 9 | 3478879 | 3480059 |
| Base 10 | 20922110 | 20922810 |
| Base 11 | 13321111 | 13321811 |
| Base 12 | a10b112 | a10b812 |
| Base 13 | 742cc13 | 7430613 |
| Base 14 | 5636514 | 5636c14 |
| Base 15 | 41ed115 | 41ed815 |
| Base 16 | 3314516 | 3314c16 |