Compare 20180 vs 20183
| Property | 20180 | 20183 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 10091 | 201831 |
| Prime factorization | 2 × 2 × 5 × 1009 | 20183 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 20180 | 1, 20183 |
| Number of properties | 0 | 6 |
| Harmonic primes | 829th | |
| Isolated primes | 1597th | |
| Long primes | 874th | |
| Primes | 2284th | |
| Safe primes | 192nd | |
| Sexy primes (2nd member) | 700th | |
| Roman numberals | ||
| Base 2 | 1001110110101002 | 1001110110101112 |
| Base 3 | 10002001023 | 10002001123 |
| Base 4 | 103231104 | 103231134 |
| Base 5 | 11212105 | 11212135 |
| Base 6 | 2332326 | 2332356 |
| Base 7 | 1125567 | 1125627 |
| Base 8 | 473248 | 473278 |
| Base 9 | 306129 | 306159 |
| Base 10 | 2018010 | 2018310 |
| Base 11 | 1418611 | 1418911 |
| Base 12 | b81812 | b81b12 |
| Base 13 | 925413 | 925713 |
| Base 14 | 74d614 | 74d914 |
| Base 15 | 5ea515 | 5ea815 |
| Base 16 | 4ed416 | 4ed716 |