Compare 21268 vs 21277
| Property | 21268 | 21277 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 131 × 4091 | 212771 |
| Prime factorization | 2 × 2 × 13 × 409 | 21277 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 13, 26, 52, 409, 818, 1636, 5317, 10634, 21268 | 1, 21277 |
| Number of properties | 0 | 6 |
| Additive primes | 1109th | |
| Harmonic primes | 876th | |
| Isolated primes | 1669th | |
| Primes | 2390th | |
| Pythagorean primes | 1186th | |
| Sexy primes (1st member) | 724th | |
| Roman numberals | ||
| Base 2 | 1010011000101002 | 1010011000111012 |
| Base 3 | 10020112013 | 10020120013 |
| Base 4 | 110301104 | 110301314 |
| Base 5 | 11400335 | 11401025 |
| Base 6 | 2422446 | 2423016 |
| Base 7 | 1160027 | 1160147 |
| Base 8 | 514248 | 514358 |
| Base 9 | 321519 | 321619 |
| Base 10 | 2126810 | 2127710 |
| Base 11 | 14a8511 | 14a9311 |
| Base 12 | 1038412 | 1039112 |
| Base 13 | 98b013 | 98b913 |
| Base 14 | 7a7214 | 7a7b14 |
| Base 15 | 647d15 | 648715 |
| Base 16 | 531416 | 531d16 |