Compare 19937 vs 20807
| Property | 19937 | 20807 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199371 | 208071 |
| Prime factorization | 19937 | 20807 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19937 | 1, 20807 |
| Number of properties | 6 | 7 |
| Additive primes | 1047th | 1090th |
| Chen primes | 1108th | 1154th |
| Harmonic primes | 858th | |
| Isolated primes | 1575th | |
| Long primes | 890th | |
| Primes | 2254th | 2343rd |
| Pythagorean primes | 1120th | |
| Twin primes (1st member) | 355th | |
| Ulam primes | 164th | 174th |
| Roman numberals | ||
| Base 2 | 1001101111000012 | 1010001010001112 |
| Base 3 | 10001001023 | 10011121223 |
| Base 4 | 103132014 | 110110134 |
| Base 5 | 11142225 | 11312125 |
| Base 6 | 2321456 | 2401556 |
| Base 7 | 1120617 | 1144437 |
| Base 8 | 467418 | 505078 |
| Base 9 | 303129 | 314789 |
| Base 10 | 1993710 | 2080710 |
| Base 11 | 13a8511 | 146a611 |
| Base 12 | b65512 | 1005b12 |
| Base 13 | 90c813 | 961713 |
| Base 14 | 73a114 | 782314 |
| Base 15 | 5d9215 | 627215 |
| Base 16 | 4de116 | 514716 |