Compare 19979 vs 20149
| Property | 19979 | 20149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199791 | 201491 |
| Prime factorization | 19979 | 20149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19979 | 1, 20149 |
| Number of properties | 6 | 8 |
| Happy primes | 376th | |
| Harmonic primes | 819th | 828th |
| Isolated primes | 1578th | |
| Long primes | 864th | 872nd |
| Lucky primes | 371st | |
| Primes | 2259th | 2280th |
| Prime triplets (3rd member) | 169th | |
| Pythagorean primes | 1133rd | |
| Sexy primes (2nd member) | 692nd | 699th |
| Twin primes (2nd member) | 344th | |
| Roman numberals | ||
| Base 2 | 1001110000010112 | 1001110101101012 |
| Base 3 | 10001012223 | 10001220213 |
| Base 4 | 103200234 | 103223114 |
| Base 5 | 11144045 | 11210445 |
| Base 6 | 2322556 | 2331416 |
| Base 7 | 1121517 | 1125137 |
| Base 8 | 470138 | 472658 |
| Base 9 | 303589 | 305679 |
| Base 10 | 1997910 | 2014910 |
| Base 11 | 1401311 | 1415811 |
| Base 12 | b68b12 | b7b112 |
| Base 13 | 912b13 | 922c13 |
| Base 14 | 73d114 | 74b314 |
| Base 15 | 5dbe15 | 5e8415 |
| Base 16 | 4e0b16 | 4eb516 |