Compare 212215 vs 212227
| Property | 212215 | 212227 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 424431 | 2122271 |
| Prime factorization | 5 × 42443 | 212227 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 42443, 212215 | 1, 212227 |
| Number of properties | 1 | 4 |
| Harmonic primes | 7115th | |
| Isolated primes | 14448th | |
| Lucky primes | 2430th | |
| Primes | 18993rd | |
| Semiprimes | 47834th | |
| Roman numberals | ||
| Base 2 | 1100111100111101112 | 1100111101000000112 |
| Base 3 | 1012100022113 | 1012100100213 |
| Base 4 | 3033033134 | 3033100034 |
| Base 5 | 232423305 | 232424025 |
| Base 6 | 43142516 | 43143116 |
| Base 7 | 15424637 | 15425117 |
| Base 8 | 6363678 | 6364038 |
| Base 9 | 3530849 | 3531079 |
| Base 10 | 21221510 | 21222710 |
| Base 11 | 13549311 | 1354a411 |
| Base 12 | a298712 | a299712 |
| Base 13 | 7579313 | 757a213 |
| Base 14 | 574a314 | 574b114 |
| Base 15 | 42d2a15 | 42d3715 |
| Base 16 | 33cf716 | 33d0316 |