Compare 20161 vs 20166
| Property | 20161 | 20166 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 201611 | 21 × 31 × 33611 |
| Prime factorization | 20161 | 2 × 3 × 3361 |
| Divisors count | 2 | 8 |
| Divisors | 1, 20161 | 1, 2, 3, 6, 3361, 6722, 10083, 20166 |
| Number of properties | 5 | 0 |
| Centered decagonal primes | 34th | |
| Isolated primes | 1594th | |
| Primes | 2281st | |
| Pythagorean primes | 1134th | |
| Super primes | 339th | |
| Roman numberals | ||
| Base 2 | 1001110110000012 | 1001110110001102 |
| Base 3 | 10001222013 | 10001222203 |
| Base 4 | 103230014 | 103230124 |
| Base 5 | 11211215 | 11211315 |
| Base 6 | 2332016 | 2332106 |
| Base 7 | 1125317 | 1125367 |
| Base 8 | 473018 | 473068 |
| Base 9 | 305819 | 305869 |
| Base 10 | 2016110 | 2016610 |
| Base 11 | 1416911 | 1417311 |
| Base 12 | b80112 | b80612 |
| Base 13 | 923b13 | 924313 |
| Base 14 | 74c114 | 74c614 |
| Base 15 | 5e9115 | 5e9615 |
| Base 16 | 4ec116 | 4ec616 |