Compare 19802 vs 19813
| Property | 19802 | 19813 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 99011 | 198131 |
| Prime factorization | 2 × 9901 | 19813 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 9901, 19802 | 1, 19813 |
| Number of properties | 1 | 6 |
| Emirps | 624th | |
| Harmonic primes | 811th | |
| Isolated primes | 1567th | |
| Primes | 2242nd | |
| Pythagorean primes | 1114th | |
| Semiprimes | 5039th | |
| Sexy primes (1st member) | 689th | |
| Roman numberals | ||
| Base 2 | 1001101010110102 | 1001101011001012 |
| Base 3 | 10000111023 | 10000112113 |
| Base 4 | 103111224 | 103112114 |
| Base 5 | 11132025 | 11132235 |
| Base 6 | 2314026 | 2314216 |
| Base 7 | 1115067 | 1115237 |
| Base 8 | 465328 | 465458 |
| Base 9 | 301429 | 301549 |
| Base 10 | 1980210 | 1981310 |
| Base 11 | 1397211 | 1398211 |
| Base 12 | b56212 | b57112 |
| Base 13 | 902313 | 903113 |
| Base 14 | 730614 | 731314 |
| Base 15 | 5d0215 | 5d0d15 |
| Base 16 | 4d5a16 | 4d6516 |