Compare 157991 vs 157999
| Property | 157991 | 157999 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1579911 | 1579991 |
| Prime factorization | 157991 | 157999 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157991 | 1, 157999 |
| Number of properties | 4 | 5 |
| Chen primes | 6196th | |
| Cousin primes (1st member) | 1763rd | |
| Emirps | 3166th | |
| Harmonic primes | 5442nd | 5443rd |
| Isolated primes | 10951st | 10952nd |
| Primes | 14520th | 14521st |
| Roman numberals | ||
| Base 2 | 1001101001001001112 | 1001101001001011112 |
| Base 3 | 220002011123 | 220002012113 |
| Base 4 | 2122102134 | 2122102334 |
| Base 5 | 200234315 | 200234445 |
| Base 6 | 32152356 | 32152516 |
| Base 7 | 12254217 | 12254327 |
| Base 8 | 4644478 | 4644578 |
| Base 9 | 2606459 | 2606549 |
| Base 10 | 15799110 | 15799910 |
| Base 11 | a877911 | a878611 |
| Base 12 | 7751b12 | 7752712 |
| Base 13 | 56bb213 | 56bba13 |
| Base 14 | 4181114 | 4181914 |
| Base 15 | 31c2b15 | 31c3415 |
| Base 16 | 2692716 | 2692f16 |