Compare 212161 vs 212172
| Property | 212161 | 212172 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 2121611 | 22 × 31 × 176811 |
| Prime factorization | 212161 | 2 × 2 × 3 × 17681 |
| Divisors count | 2 | 12 |
| Divisors | 1, 212161 | 1, 2, 3, 4, 6, 12, 17681, 35362, 53043, 70724, 106086, 212172 |
| Number of properties | 5 | 0 |
| Additive primes | 7665th | |
| Isolated primes | 14444th | |
| Primes | 18987th | |
| Pythagorean primes | 9480th | |
| Sexy primes (1st member) | 4503rd | |
| Roman numberals | ||
| Base 2 | 1100111100110000012 | 1100111100110011002 |
| Base 3 | 1012100002113 | 1012100010203 |
| Base 4 | 3033030014 | 3033030304 |
| Base 5 | 232421215 | 232421425 |
| Base 6 | 43141216 | 43141406 |
| Base 7 | 15423557 | 15424027 |
| Base 8 | 6363018 | 6363148 |
| Base 9 | 3530249 | 3530369 |
| Base 10 | 21216110 | 21217210 |
| Base 11 | 13544411 | 13545411 |
| Base 12 | a294112 | a295012 |
| Base 13 | 7575113 | 7575c13 |
| Base 14 | 5746514 | 5747214 |
| Base 15 | 42ce115 | 42cec15 |
| Base 16 | 33cc116 | 33ccc16 |