Compare 972157 vs 972161
| Property | 972157 | 972161 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 611 × 159371 | 9721611 |
| Prime factorization | 61 × 15937 | 972161 |
| Divisors count | 4 | 2 |
| Divisors | 1, 61, 15937, 972157 | 1, 972161 |
| Number of properties | 1 | 5 |
| Chen primes | 29259th | |
| Primes | 76519th | |
| Semiprimes | 204362nd | |
| Sophie germain primes | 7571st | |
| Super primes | 7528th | |
| Twin primes (1st member) | 7982nd | |
| Roman numberals | ||
| Base 2 | 111011010101011111012 | 111011010101100000012 |
| Base 3 | 12111011122113 | 12111011122223 |
| Base 4 | 32311113314 | 32311120014 |
| Base 5 | 2221021125 | 2221021215 |
| Base 6 | 325004216 | 325004256 |
| Base 7 | 111561647 | 111562017 |
| Base 8 | 35525758 | 35526018 |
| Base 9 | 17414849 | 17414889 |
| Base 10 | 97215710 | 97216110 |
| Base 11 | 60443a11 | 60444311 |
| Base 12 | 3aa71112 | 3aa71512 |
| Base 13 | 28065413 | 28065813 |
| Base 14 | 1b43db14 | 1b440114 |
| Base 15 | 1430a715 | 1430ab15 |
| Base 16 | ed57d16 | ed58116 |