Compare 21377 vs 21647
| Property | 21377 | 21647 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 213771 | 216471 |
| Prime factorization | 21377 | 21647 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21377 | 1, 21647 |
| Number of properties | 8 | 4 |
| Chen primes | 1177th | 1193rd |
| Good primes | 268th | |
| Long primes | 909th | 918th |
| Primes | 2398th | 2430th |
| Prime triplets (1st member) | 181st | |
| Pythagorean primes | 1190th | |
| Sexy primes (1st member) | 728th | |
| Twin primes (1st member) | 363rd | 370th |
| Roman numberals | ||
| Base 2 | 1010011100000012 | 1010100100011112 |
| Base 3 | 10020222023 | 10022002023 |
| Base 4 | 110320014 | 111020334 |
| Base 5 | 11410025 | 11430425 |
| Base 6 | 2425456 | 2441156 |
| Base 7 | 1162167 | 1200537 |
| Base 8 | 516018 | 522178 |
| Base 9 | 322829 | 326229 |
| Base 10 | 2137710 | 2164710 |
| Base 11 | 1507411 | 1529a11 |
| Base 12 | 1045512 | 1063b12 |
| Base 13 | 996513 | 9b1213 |
| Base 14 | 7b0d14 | 7c6314 |
| Base 15 | 650215 | 663215 |
| Base 16 | 538116 | 548f16 |