Compare 16381 vs 19801
| Property | 16381 | 19801 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 163811 | 198011 |
| Prime factorization | 16381 | 19801 |
| Divisors count | 2 | 2 |
| Divisors | 1, 16381 | 1, 19801 |
| Number of properties | 8 | 6 |
| Additive primes | 904th | 1042nd |
| Centered square primes | 33rd | 35th |
| Centered triangular primes | 25th | |
| Emirps | 623rd | |
| Isolated primes | 1321st | 1566th |
| Lucky primes | 312th | |
| Primes | 1900th | 2241st |
| Pythagorean primes | 941st | 1113th |
| Solinas primes | 85th | |
| Roman numberals | ||
| Base 2 | 111111111111012 | 1001101010110012 |
| Base 3 | 2111102013 | 10000111013 |
| Base 4 | 33333314 | 103111214 |
| Base 5 | 10110115 | 11132015 |
| Base 6 | 2035016 | 2314016 |
| Base 7 | 655217 | 1115057 |
| Base 8 | 377758 | 465318 |
| Base 9 | 244219 | 301419 |
| Base 10 | 1638110 | 1980110 |
| Base 11 | 1134211 | 1397111 |
| Base 12 | 959112 | b56112 |
| Base 13 | 75c113 | 902213 |
| Base 14 | 5d8114 | 730514 |
| Base 15 | 4cc115 | 5d0115 |
| Base 16 | 3ffd16 | 4d5916 |