Compare 213381 vs 213391
| Property | 213381 | 213391 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 33 × 71 × 11291 | 2133911 |
| Prime factorization | 3 × 3 × 3 × 7 × 1129 | 213391 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 7, 9, 21, 27, 63, 189, 1129, 3387, 7903, 10161, 23709, 30483, 71127, 213381 | 1, 213391 |
| Number of properties | 0 | 4 |
| Additive primes | 7715th | |
| Isolated primes | 14527th | |
| Primes | 19082nd | |
| Sexy primes (1st member) | 4527th | |
| Roman numberals | ||
| Base 2 | 1101000001100001012 | 1101000001100011112 |
| Base 3 | 1012112010003 | 1012112011013 |
| Base 4 | 3100120114 | 3100120334 |
| Base 5 | 233120115 | 233120315 |
| Base 6 | 43235136 | 43235316 |
| Base 7 | 15460507 | 15460637 |
| Base 8 | 6406058 | 6406178 |
| Base 9 | 3546309 | 3546419 |
| Base 10 | 21338110 | 21339110 |
| Base 11 | 13635311 | 13636211 |
| Base 12 | a359912 | a35a712 |
| Base 13 | 7617c13 | 7618913 |
| Base 14 | 57a9714 | 57aa314 |
| Base 15 | 4335615 | 4336115 |
| Base 16 | 3418516 | 3418f16 |