Compare 19661 vs 19937
| Property | 19661 | 19937 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 196611 | 199371 |
| Prime factorization | 19661 | 19937 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19661 | 1, 19937 |
| Number of properties | 8 | 6 |
| Additive primes | 1035th | 1047th |
| Chen primes | 1108th | |
| Emirps | 615th | |
| Harmonic primes | 804th | |
| Isolated primes | 1555th | 1575th |
| Long primes | 851st | |
| Primes | 2226th | 2254th |
| Pythagorean primes | 1105th | 1120th |
| Sophie germain primes | 320th | |
| Ulam primes | 164th | |
| Roman numberals | ||
| Base 2 | 1001100110011012 | 1001101111000012 |
| Base 3 | 2222220123 | 10001001023 |
| Base 4 | 103030314 | 103132014 |
| Base 5 | 11121215 | 11142225 |
| Base 6 | 2310056 | 2321456 |
| Base 7 | 1112157 | 1120617 |
| Base 8 | 463158 | 467418 |
| Base 9 | 288659 | 303129 |
| Base 10 | 1966110 | 1993710 |
| Base 11 | 1385411 | 13a8511 |
| Base 12 | b46512 | b65512 |
| Base 13 | 8c4513 | 90c813 |
| Base 14 | 724514 | 73a114 |
| Base 15 | 5c5b15 | 5d9215 |
| Base 16 | 4ccd16 | 4de116 |