Compare 19801 vs 19806
| Property | 19801 | 19806 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 198011 | 21 × 31 × 33011 |
| Prime factorization | 19801 | 2 × 3 × 3301 |
| Divisors count | 2 | 8 |
| Divisors | 1, 19801 | 1, 2, 3, 6, 3301, 6602, 9903, 19806 |
| Number of properties | 6 | 0 |
| Additive primes | 1042nd | |
| Centered square primes | 35th | |
| Emirps | 623rd | |
| Isolated primes | 1566th | |
| Primes | 2241st | |
| Pythagorean primes | 1113th | |
| Roman numberals | ||
| Base 2 | 1001101010110012 | 1001101010111102 |
| Base 3 | 10000111013 | 10000111203 |
| Base 4 | 103111214 | 103111324 |
| Base 5 | 11132015 | 11132115 |
| Base 6 | 2314016 | 2314106 |
| Base 7 | 1115057 | 1115137 |
| Base 8 | 465318 | 465368 |
| Base 9 | 301419 | 301469 |
| Base 10 | 1980110 | 1980610 |
| Base 11 | 1397111 | 1397611 |
| Base 12 | b56112 | b56612 |
| Base 13 | 902213 | 902713 |
| Base 14 | 730514 | 730a14 |
| Base 15 | 5d0115 | 5d0615 |
| Base 16 | 4d5916 | 4d5e16 |