Compare 21148 vs 21157
| Property | 21148 | 21157 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 171 × 3111 | 211571 |
| Prime factorization | 2 × 2 × 17 × 311 | 21157 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 17, 34, 68, 311, 622, 1244, 5287, 10574, 21148 | 1, 21157 |
| Number of properties | 0 | 5 |
| Isolated primes | 1659th | |
| Primes | 2378th | |
| Pythagorean primes | 1181st | |
| Sexy primes (1st member) | 720th | |
| Sexy prime triplets (1st member) | 197th | |
| Roman numberals | ||
| Base 2 | 1010010100111002 | 1010010101001012 |
| Base 3 | 10020000213 | 10020001213 |
| Base 4 | 110221304 | 110222114 |
| Base 5 | 11340435 | 11341125 |
| Base 6 | 2415246 | 2415416 |
| Base 7 | 1154417 | 1154537 |
| Base 8 | 512348 | 512458 |
| Base 9 | 320079 | 320179 |
| Base 10 | 2114810 | 2115710 |
| Base 11 | 1498611 | 1499411 |
| Base 12 | 102a412 | 102b112 |
| Base 13 | 981a13 | 982613 |
| Base 14 | 79c814 | 79d314 |
| Base 15 | 63ed15 | 640715 |
| Base 16 | 529c16 | 52a516 |