Compare 220721 vs 221489
| Property | 220721 | 221489 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2207211 | 2214891 |
| Prime factorization | 220721 | 221489 |
| Divisors count | 2 | 2 |
| Divisors | 1, 220721 | 1, 221489 |
| Number of properties | 6 | 5 |
| Chen primes | 8202nd | 8225th |
| Harmonic primes | 7380th | |
| Isolated primes | 15009th | 15054th |
| Primes | 19672nd | 19735th |
| Pythagorean primes | 9814th | 9846th |
| Sophie germain primes | 2231st | 2238th |
| Roman numberals | ||
| Base 2 | 1101011110001100012 | 1101100001001100012 |
| Base 3 | 1020122022123 | 1020202110223 |
| Base 4 | 3113203014 | 3120103014 |
| Base 5 | 240303415 | 240414245 |
| Base 6 | 44215056 | 44252256 |
| Base 7 | 16063347 | 16115127 |
| Base 8 | 6570618 | 6604618 |
| Base 9 | 3656859 | 3667389 |
| Base 10 | 22072110 | 22148910 |
| Base 11 | 14091611 | 14145411 |
| Base 12 | a789512 | a821512 |
| Base 13 | 7960713 | 79a7813 |
| Base 14 | 5a61b14 | 5aa0914 |
| Base 15 | 455eb15 | 4595e15 |
| Base 16 | 35e3116 | 3613116 |