Compare 21347 vs 21351
| Property | 21347 | 21351 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 213471 | 31 × 111 × 6471 |
| Prime factorization | 21347 | 3 × 11 × 647 |
| Divisors count | 2 | 8 |
| Divisors | 1, 21347 | 1, 3, 11, 33, 647, 1941, 7117, 21351 |
| Number of properties | 7 | 0 |
| Additive primes | 1112th | |
| Chen primes | 1176th | |
| Happy primes | 397th | |
| Isolated primes | 1674th | |
| Primes | 2397th | |
| Sexy primes (2nd member) | 727th | |
| Ulam primes | 182nd | |
| Roman numberals | ||
| Base 2 | 1010011011000112 | 1010011011001112 |
| Base 3 | 10020211223 | 10020212103 |
| Base 4 | 110312034 | 110312134 |
| Base 5 | 11403425 | 11404015 |
| Base 6 | 2424556 | 2425036 |
| Base 7 | 1161447 | 1161517 |
| Base 8 | 515438 | 515478 |
| Base 9 | 322489 | 322539 |
| Base 10 | 2134710 | 2135110 |
| Base 11 | 1504711 | 1505011 |
| Base 12 | 1042b12 | 1043312 |
| Base 13 | 994113 | 994513 |
| Base 14 | 7acb14 | 7ad114 |
| Base 15 | 64d215 | 64d615 |
| Base 16 | 536316 | 536716 |