Compare 18397 vs 18402
| Property | 18397 | 18402 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 183971 | 21 × 31 × 30671 |
| Prime factorization | 18397 | 2 × 3 × 3067 |
| Divisors count | 2 | 8 |
| Divisors | 1, 18397 | 1, 2, 3, 6, 3067, 6134, 9201, 18402 |
| Number of properties | 7 | 0 |
| 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 | 1000111110111012 | 1000111111000102 |
| Base 3 | 2210201013 | 2210201203 |
| Base 4 | 101331314 | 101332024 |
| Base 5 | 10420425 | 10421025 |
| Base 6 | 2211016 | 2211106 |
| Base 7 | 1044317 | 1044367 |
| Base 8 | 437358 | 437428 |
| Base 9 | 272119 | 272169 |
| Base 10 | 1839710 | 1840210 |
| Base 11 | 1290511 | 1290a11 |
| Base 12 | a79112 | a79612 |
| Base 13 | 84b213 | 84b713 |
| Base 14 | 69c114 | 69c614 |
| Base 15 | 56b715 | 56bc15 |
| Base 16 | 47dd16 | 47e216 |