Compare 19801 vs 19979
| Property | 19801 | 19979 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198011 | 199791 |
| Prime factorization | 19801 | 19979 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19801 | 1, 19979 |
| Number of properties | 6 | 6 |
| Additive primes | 1042nd | |
| Centered square primes | 35th | |
| Emirps | 623rd | |
| Happy primes | 376th | |
| Harmonic primes | 819th | |
| Isolated primes | 1566th | 1578th |
| Long primes | 864th | |
| Primes | 2241st | 2259th |
| Pythagorean primes | 1113th | |
| Sexy primes (2nd member) | 692nd | |
| Roman numberals | ||
| Base 2 | 1001101010110012 | 1001110000010112 |
| Base 3 | 10000111013 | 10001012223 |
| Base 4 | 103111214 | 103200234 |
| Base 5 | 11132015 | 11144045 |
| Base 6 | 2314016 | 2322556 |
| Base 7 | 1115057 | 1121517 |
| Base 8 | 465318 | 470138 |
| Base 9 | 301419 | 303589 |
| Base 10 | 1980110 | 1997910 |
| Base 11 | 1397111 | 1401311 |
| Base 12 | b56112 | b68b12 |
| Base 13 | 902213 | 912b13 |
| Base 14 | 730514 | 73d114 |
| Base 15 | 5d0115 | 5dbe15 |
| Base 16 | 4d5916 | 4e0b16 |