Compare 157991 vs 158231
| Property | 157991 | 158231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1579911 | 1582311 |
| Prime factorization | 157991 | 158231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 157991 | 1, 158231 |
| Number of properties | 4 | 6 |
| Chen primes | 6205th | |
| Cousin primes (2nd member) | 1764th | |
| Emirps | 3166th | 3172nd |
| Harmonic primes | 5442nd | |
| Isolated primes | 10951st | |
| Primes | 14520th | 14538th |
| Prime triplets (2nd member) | 705th | |
| Twin primes (1st member) | 1787th | |
| Roman numberals | ||
| Base 2 | 1001101001001001112 | 1001101010000101112 |
| Base 3 | 220002011123 | 220010011023 |
| Base 4 | 2122102134 | 2122201134 |
| Base 5 | 200234315 | 200304115 |
| Base 6 | 32152356 | 32203156 |
| Base 7 | 12254217 | 12262137 |
| Base 8 | 4644478 | 4650278 |
| Base 9 | 2606459 | 2610429 |
| Base 10 | 15799110 | 15823110 |
| Base 11 | a877911 | a897711 |
| Base 12 | 7751b12 | 7769b12 |
| Base 13 | 56bb213 | 5703813 |
| Base 14 | 4181114 | 4194314 |
| Base 15 | 31c2b15 | 31d3b15 |
| Base 16 | 2692716 | 26a1716 |