Compare 212218 vs 212227
| Property | 212218 | 212227 | 
|---|---|---|
| Type | semiprime | prime | 
| Unique factors | 2 | 1 | 
| Total factors | 2 | 1 | 
| Prime factorization | 21 × 1061091 | 2122271 | 
| Prime factorization | 2 × 106109 | 212227 | 
| Divisors count | 4 | 2 | 
| Divisors | 1, 2, 106109, 212218 | 1, 212227 | 
| Number of properties | 1 | 4 | 
| Harmonic primes | 7115th | |
| Isolated primes | 14448th | |
| Lucky primes | 2430th | |
| Primes | 18993rd | |
| Semiprimes | 47835th | |
| Roman numberals | ||
| Base 2 | 1100111100111110102 | 1100111101000000112 | 
| Base 3 | 1012100022213 | 1012100100213 | 
| Base 4 | 3033033224 | 3033100034 | 
| Base 5 | 232423335 | 232424025 | 
| Base 6 | 43142546 | 43143116 | 
| Base 7 | 15424667 | 15425117 | 
| Base 8 | 6363728 | 6364038 | 
| Base 9 | 3530879 | 3531079 | 
| Base 10 | 21221810 | 21222710 | 
| Base 11 | 13549611 | 1354a411 | 
| Base 12 | a298a12 | a299712 | 
| Base 13 | 7579613 | 757a213 | 
| Base 14 | 574a614 | 574b114 | 
| Base 15 | 42d2d15 | 42d3715 | 
| Base 16 | 33cfa16 | 33d0316 |