Compare 19661 vs 19813
| Property | 19661 | 19813 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 196611 | 198131 |
| Prime factorization | 19661 | 19813 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19661 | 1, 19813 |
| Number of properties | 8 | 6 |
| Additive primes | 1035th | |
| Emirps | 615th | 624th |
| Harmonic primes | 804th | 811th |
| Isolated primes | 1555th | 1567th |
| Long primes | 851st | |
| Primes | 2226th | 2242nd |
| Pythagorean primes | 1105th | 1114th |
| Sexy primes (1st member) | 689th | |
| Sophie germain primes | 320th | |
| Roman numberals | ||
| Base 2 | 1001100110011012 | 1001101011001012 |
| Base 3 | 2222220123 | 10000112113 |
| Base 4 | 103030314 | 103112114 |
| Base 5 | 11121215 | 11132235 |
| Base 6 | 2310056 | 2314216 |
| Base 7 | 1112157 | 1115237 |
| Base 8 | 463158 | 465458 |
| Base 9 | 288659 | 301549 |
| Base 10 | 1966110 | 1981310 |
| Base 11 | 1385411 | 1398211 |
| Base 12 | b46512 | b57112 |
| Base 13 | 8c4513 | 903113 |
| Base 14 | 724514 | 731314 |
| Base 15 | 5c5b15 | 5d0d15 |
| Base 16 | 4ccd16 | 4d6516 |