Compare 201979 vs 201981
| Property | 201979 | 201981 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2019791 | 31 × 131 × 51791 |
| Prime factorization | 201979 | 3 × 13 × 5179 |
| Divisors count | 2 | 8 |
| Divisors | 1, 201979 | 1, 3, 13, 39, 5179, 15537, 67327, 201981 |
| Number of properties | 3 | 0 |
| Isolated primes | 13802nd | |
| Primes | 18147th | |
| Sexy primes (2nd member) | 4330th | |
| Roman numberals | ||
| Base 2 | 1100010100111110112 | 1100010100111111012 |
| Base 3 | 1010210012013 | 1010210012103 |
| Base 4 | 3011033234 | 3011033314 |
| Base 5 | 224304045 | 224304115 |
| Base 6 | 41550316 | 41550336 |
| Base 7 | 15006017 | 15006037 |
| Base 8 | 6123738 | 6123758 |
| Base 9 | 3370519 | 3370539 |
| Base 10 | 20197910 | 20198110 |
| Base 11 | 12882811 | 12882a11 |
| Base 12 | 98a7712 | 98a7912 |
| Base 13 | 70c1b13 | 70c2013 |
| Base 14 | 5387114 | 5387314 |
| Base 15 | 3eca415 | 3eca615 |
| Base 16 | 314fb16 | 314fd16 |