Compare 21377 vs 22691
| Property | 21377 | 22691 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 213771 | 226911 |
| Prime factorization | 21377 | 22691 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21377 | 1, 22691 |
| Number of properties | 8 | 7 |
| Chen primes | 1177th | 1242nd |
| Good primes | 268th | 279th |
| Harmonic primes | 935th | |
| Isolated primes | 1767th | |
| Long primes | 909th | 956th |
| Primes | 2398th | 2534th |
| Prime triplets (1st member) | 181st | |
| Pythagorean primes | 1190th | |
| Sexy primes (1st member) | 728th | 761st |
| Twin primes (1st member) | 363rd | |
| Roman numberals | ||
| Base 2 | 1010011100000012 | 1011000101000112 |
| Base 3 | 10020222023 | 10110101023 |
| Base 4 | 110320014 | 112022034 |
| Base 5 | 11410025 | 12112315 |
| Base 6 | 2425456 | 2530156 |
| Base 7 | 1162167 | 1231047 |
| Base 8 | 516018 | 542438 |
| Base 9 | 322829 | 341129 |
| Base 10 | 2137710 | 2269110 |
| Base 11 | 1507411 | 1605911 |
| Base 12 | 1045512 | 1116b12 |
| Base 13 | 996513 | a43613 |
| Base 14 | 7b0d14 | 83ab14 |
| Base 15 | 650215 | 6acb15 |
| Base 16 | 538116 | 58a316 |