Compare 157991 vs 158143
| Property | 157991 | 158143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1579911 | 1581431 |
| Prime factorization | 157991 | 158143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157991 | 1, 158143 |
| Number of properties | 4 | 5 |
| Emirps | 3166th | 3171st |
| Harmonic primes | 5442nd | 5449th |
| Isolated primes | 10951st | |
| Primes | 14520th | 14532nd |
| Twin primes (2nd member) | 1786th | |
| Ulam primes | 1037th | |
| Roman numberals | ||
| Base 2 | 1001101001001001112 | 1001101001101111112 |
| Base 3 | 220002011123 | 220002210113 |
| Base 4 | 2122102134 | 2122123334 |
| Base 5 | 200234315 | 200300335 |
| Base 6 | 32152356 | 32200516 |
| Base 7 | 12254217 | 12260267 |
| Base 8 | 4644478 | 4646778 |
| Base 9 | 2606459 | 2608349 |
| Base 10 | 15799110 | 15814310 |
| Base 11 | a877911 | a88a711 |
| Base 12 | 7751b12 | 7762712 |
| Base 13 | 56bb213 | 56c9b13 |
| Base 14 | 4181114 | 418bd14 |
| Base 15 | 31c2b15 | 31ccd15 |
| Base 16 | 2692716 | 269bf16 |