Compare 19801 vs 20201
| Property | 19801 | 20201 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198011 | 202011 |
| Prime factorization | 19801 | 20201 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19801 | 1, 20201 |
| Number of properties | 6 | 7 |
| Additive primes | 1042nd | 1061st |
| Centered square primes | 35th | 36th |
| Chen primes | 1122nd | |
| Emirps | 623rd | |
| Isolated primes | 1566th | 1598th |
| Primes | 2241st | 2285th |
| Pythagorean primes | 1113th | 1137th |
| Ulam primes | 166th | |
| Roman numberals | ||
| Base 2 | 1001101010110012 | 1001110111010012 |
| Base 3 | 10000111013 | 10002010123 |
| Base 4 | 103111214 | 103232214 |
| Base 5 | 11132015 | 11213015 |
| Base 6 | 2314016 | 2333056 |
| Base 7 | 1115057 | 1126167 |
| Base 8 | 465318 | 473518 |
| Base 9 | 301419 | 306359 |
| Base 10 | 1980110 | 2020110 |
| Base 11 | 1397111 | 141a511 |
| Base 12 | b56112 | b83512 |
| Base 13 | 902213 | 926c13 |
| Base 14 | 730514 | 750d14 |
| Base 15 | 5d0115 | 5ebb15 |
| Base 16 | 4d5916 | 4ee916 |