Compare 21269 vs 21271
| Property | 21269 | 21271 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 212691 | 891 × 2391 |
| Prime factorization | 21269 | 89 × 239 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21269 | 1, 89, 239, 21271 |
| Number of properties | 7 | 1 |
| Chen primes | 1173rd | |
| Harmonic primes | 875th | |
| Isolated primes | 1668th | |
| Long primes | 908th | |
| Primes | 2389th | |
| Pythagorean primes | 1185th | |
| Semiprimes | 5391st | |
| Super primes | 355th | |
| Roman numberals | ||
| Base 2 | 1010011000101012 | 1010011000101112 |
| Base 3 | 10020112023 | 10020112113 |
| Base 4 | 110301114 | 110301134 |
| Base 5 | 11400345 | 11400415 |
| Base 6 | 2422456 | 2422516 |
| Base 7 | 1160037 | 1160057 |
| Base 8 | 514258 | 514278 |
| Base 9 | 321529 | 321549 |
| Base 10 | 2126910 | 2127110 |
| Base 11 | 14a8611 | 14a8811 |
| Base 12 | 1038512 | 1038712 |
| Base 13 | 98b113 | 98b313 |
| Base 14 | 7a7314 | 7a7514 |
| Base 15 | 647e15 | 648115 |
| Base 16 | 531516 | 531716 |