Compare 21157 vs 21377
| Property | 21157 | 21377 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211571 | 213771 |
| Prime factorization | 21157 | 21377 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21157 | 1, 21377 |
| Number of properties | 5 | 8 |
| Chen primes | 1177th | |
| Good primes | 268th | |
| Isolated primes | 1659th | |
| Long primes | 909th | |
| Primes | 2378th | 2398th |
| Prime triplets (1st member) | 181st | |
| Pythagorean primes | 1181st | 1190th |
| Sexy primes (1st member) | 720th | 728th |
| Sexy prime triplets (1st member) | 197th | |
| Twin primes (1st member) | 363rd | |
| Roman numberals | ||
| Base 2 | 1010010101001012 | 1010011100000012 |
| Base 3 | 10020001213 | 10020222023 |
| Base 4 | 110222114 | 110320014 |
| Base 5 | 11341125 | 11410025 |
| Base 6 | 2415416 | 2425456 |
| Base 7 | 1154537 | 1162167 |
| Base 8 | 512458 | 516018 |
| Base 9 | 320179 | 322829 |
| Base 10 | 2115710 | 2137710 |
| Base 11 | 1499411 | 1507411 |
| Base 12 | 102b112 | 1045512 |
| Base 13 | 982613 | 996513 |
| Base 14 | 79d314 | 7b0d14 |
| Base 15 | 640715 | 650215 |
| Base 16 | 52a516 | 538116 |