Compare 157991 vs 158047
| Property | 157991 | 158047 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1579911 | 1580471 |
| Prime factorization | 157991 | 158047 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157991 | 1, 158047 |
| Number of properties | 4 | 4 |
| Centered heptagonal primes | 45th | |
| Emirps | 3166th | |
| Harmonic primes | 5442nd | 5446th |
| Isolated primes | 10951st | 10957th |
| Primes | 14520th | 14526th |
| Roman numberals | ||
| Base 2 | 1001101001001001112 | 1001101001010111112 |
| Base 3 | 220002011123 | 220002101213 |
| Base 4 | 2122102134 | 2122111334 |
| Base 5 | 200234315 | 200241425 |
| Base 6 | 32152356 | 32154116 |
| Base 7 | 12254217 | 12255317 |
| Base 8 | 4644478 | 4645378 |
| Base 9 | 2606459 | 2607179 |
| Base 10 | 15799110 | 15804710 |
| Base 11 | a877911 | a881a11 |
| Base 12 | 7751b12 | 7756712 |
| Base 13 | 56bb213 | 56c2613 |
| Base 14 | 4181114 | 4185114 |
| Base 15 | 31c2b15 | 31c6715 |
| Base 16 | 2692716 | 2695f16 |