Compare 209212 vs 209221
| Property | 209212 | 209221 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 1931 × 2711 | 2092211 |
| Prime factorization | 2 × 2 × 193 × 271 | 209221 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 193, 271, 386, 542, 772, 1084, 52303, 104606, 209212 | 1, 209221 |
| Number of properties | 0 | 7 |
| 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 | 1100110001001111002 | 1100110001010001012 |
| Base 3 | 1011212221213 | 1011212222213 |
| Base 4 | 3030103304 | 3030110114 |
| Base 5 | 231433225 | 231433415 |
| Base 6 | 42523246 | 42523416 |
| Base 7 | 15306437 | 15306557 |
| Base 8 | 6304748 | 6305058 |
| Base 9 | 3478779 | 3478879 |
| Base 10 | 20921210 | 20922110 |
| Base 11 | 13320311 | 13321111 |
| Base 12 | a10a412 | a10b112 |
| Base 13 | 742c313 | 742cc13 |
| Base 14 | 5635a14 | 5636514 |
| Base 15 | 41ec715 | 41ed115 |
| Base 16 | 3313c16 | 3314516 |