Compare 221069 vs 221081
| Property | 221069 | 221081 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2210691 | 71 × 315831 |
| Prime factorization | 221069 | 7 × 31583 |
| Divisors count | 2 | 4 |
| Divisors | 1, 221069 | 1, 7, 31583, 221081 |
| Number of properties | 7 | 1 |
| Chen primes | 8212th | |
| Harmonic primes | 7392nd | |
| Long primes | 7377th | |
| Primes | 19700th | |
| Pythagorean primes | 9828th | |
| Semiprimes | 49752nd | |
| Sophie germain primes | 2234th | |
| Twin primes (1st member) | 2337th | |
| Roman numberals | ||
| Base 2 | 1101011111100011012 | 1101011111100110012 |
| Base 3 | 1020200202023 | 1020200210123 |
| Base 4 | 3113320314 | 3113321214 |
| Base 5 | 240332345 | 240333115 |
| Base 6 | 44232456 | 44233056 |
| Base 7 | 16103427 | 16103607 |
| Base 8 | 6576158 | 6576318 |
| Base 9 | 3662229 | 3662359 |
| Base 10 | 22106910 | 22108110 |
| Base 11 | 14110211 | 14111311 |
| Base 12 | a7b2512 | a7b3512 |
| Base 13 | 7981413 | 7982313 |
| Base 14 | 5a7c914 | 5a7d714 |
| Base 15 | 4577e15 | 4578b15 |
| Base 16 | 35f8d16 | 35f9916 |