Compare 19973 vs 19981
| Property | 19973 | 19981 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 199731 | 131 × 291 × 531 |
| Prime factorization | 19973 | 13 × 29 × 53 |
| Divisors count | 2 | 8 |
| Divisors | 1, 19973 | 1, 13, 29, 53, 377, 689, 1537, 19981 |
| Number of properties | 6 | 0 |
| Additive primes | 1048th | |
| Emirps | 627th | |
| Isolated primes | 1577th | |
| Primes | 2258th | |
| Pythagorean primes | 1123rd | |
| Sexy primes (1st member) | 692nd | |
| Roman numberals | ||
| Base 2 | 1001110000001012 | 1001110000011012 |
| Base 3 | 10001012023 | 10001020013 |
| Base 4 | 103200114 | 103200314 |
| Base 5 | 11143435 | 11144115 |
| Base 6 | 2322456 | 2323016 |
| Base 7 | 1121427 | 1121537 |
| Base 8 | 470058 | 470158 |
| Base 9 | 303529 | 303619 |
| Base 10 | 1997310 | 1998110 |
| Base 11 | 1400811 | 1401511 |
| Base 12 | b68512 | b69112 |
| Base 13 | 912513 | 913013 |
| Base 14 | 73c914 | 73d314 |
| Base 15 | 5db815 | 5dc115 |
| Base 16 | 4e0516 | 4e0d16 |