Compare 19937 vs 19997
| Property | 19937 | 19997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199371 | 199971 |
| Prime factorization | 19937 | 19997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19937 | 1, 19997 |
| Number of properties | 6 | 9 |
| Additive primes | 1047th | |
| Chen primes | 1108th | 1112th |
| Cousin primes (2nd member) | 344th | |
| Happy primes | 377th | |
| Harmonic primes | 821st | |
| Isolated primes | 1575th | 1579th |
| Primes | 2254th | 2262nd |
| Prime triplets (3rd member) | 168th | |
| Pythagorean primes | 1120th | 1125th |
| Sexy primes (2nd member) | 693rd | |
| Ulam primes | 164th | |
| Roman numberals | ||
| Base 2 | 1001101111000012 | 1001110000111012 |
| Base 3 | 10001001023 | 10001021223 |
| Base 4 | 103132014 | 103201314 |
| Base 5 | 11142225 | 11144425 |
| Base 6 | 2321456 | 2323256 |
| Base 7 | 1120617 | 1122057 |
| Base 8 | 467418 | 470358 |
| Base 9 | 303129 | 303789 |
| Base 10 | 1993710 | 1999710 |
| Base 11 | 13a8511 | 1402a11 |
| Base 12 | b65512 | b6a512 |
| Base 13 | 90c813 | 914313 |
| Base 14 | 73a114 | 740514 |
| Base 15 | 5d9215 | 5dd215 |
| Base 16 | 4de116 | 4e1d16 |