Compare 18394 vs 18397
| Property | 18394 | 18397 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 171 × 5411 | 183971 |
| Prime factorization | 2 × 17 × 541 | 18397 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 17, 34, 541, 1082, 9197, 18394 | 1, 18397 |
| Number of properties | 0 | 7 |
| Centered heptagonal primes | 20th | |
| Chen primes | 1043rd | |
| Cousin primes (1st member) | 329th | |
| Isolated primes | 1462nd | |
| Lucky primes | 344th | |
| Primes | 2107th | |
| Pythagorean primes | 1042nd | |
| Roman numberals | ||
| Base 2 | 1000111110110102 | 1000111110111012 |
| Base 3 | 2210200213 | 2210201013 |
| Base 4 | 101331224 | 101331314 |
| Base 5 | 10420345 | 10420425 |
| Base 6 | 2210546 | 2211016 |
| Base 7 | 1044257 | 1044317 |
| Base 8 | 437328 | 437358 |
| Base 9 | 272079 | 272119 |
| Base 10 | 1839410 | 1839710 |
| Base 11 | 1290211 | 1290511 |
| Base 12 | a78a12 | a79112 |
| Base 13 | 84ac13 | 84b213 |
| Base 14 | 69bc14 | 69c114 |
| Base 15 | 56b415 | 56b715 |
| Base 16 | 47da16 | 47dd16 |