Compare 7951 vs 8161
| Property | 7951 | 8161 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 79511 | 81611 |
| Prime factorization | 7951 | 8161 |
| Divisors count | 2 | 2 |
| Divisors | 1, 7951 | 1, 8161 |
| Number of properties | 5 | 7 |
| Emirps | 189th | |
| Good primes | 151st | |
| Harmonic primes | 370th | |
| Isolated primes | 671st | |
| Lucky primes | 182nd | 185th |
| Primes | 1005th | 1024th |
| Pythagorean primes | 509th | |
| Sexy primes (1st member) | 351st | |
| Solinas primes | 75th | |
| Twin primes (2nd member) | 175th | |
| Roman numberals | ||
| Base 2 | 11111000011112 | 11111111000012 |
| Base 3 | 1012201113 | 1020120213 |
| Base 4 | 13300334 | 13332014 |
| Base 5 | 2233015 | 2301215 |
| Base 6 | 1004516 | 1014416 |
| Base 7 | 321167 | 325367 |
| Base 8 | 174178 | 177418 |
| Base 9 | 118149 | 121679 |
| Base 10 | 795110 | 816110 |
| Base 11 | 5a7911 | 614a11 |
| Base 12 | 472712 | 488112 |
| Base 13 | 380813 | 393a13 |
| Base 14 | 2c7d14 | 2d8d14 |
| Base 15 | 255115 | 264115 |
| Base 16 | 1f0f16 | 1fe116 |