Compare 216388 vs 216397
| Property | 216388 | 216397 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 471 × 11511 | 2163971 |
| Prime factorization | 2 × 2 × 47 × 1151 | 216397 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 47, 94, 188, 1151, 2302, 4604, 54097, 108194, 216388 | 1, 216397 |
| Number of properties | 0 | 5 |
| Cousin primes (1st member) | 2283rd | |
| Harmonic primes | 7241st | |
| Isolated primes | 14729th | |
| Primes | 19316th | |
| Pythagorean primes | 9636th | |
| Roman numberals | ||
| Base 2 | 1101001101010001002 | 1101001101010011012 |
| Base 3 | 1012222111013 | 1012222112013 |
| Base 4 | 3103110104 | 3103110314 |
| Base 5 | 234110235 | 234110425 |
| Base 6 | 43454446 | 43455016 |
| Base 7 | 15606047 | 15606167 |
| Base 8 | 6465048 | 6465158 |
| Base 9 | 3587419 | 3587519 |
| Base 10 | 21638810 | 21639710 |
| Base 11 | 13863711 | 13864511 |
| Base 12 | a528412 | a529112 |
| Base 13 | 7765313 | 7765c13 |
| Base 14 | 58c0414 | 58c0d14 |
| Base 15 | 441ad15 | 441b715 |
| Base 16 | 34d4416 | 34d4d16 |