Compare 195881 vs 195887
| Property | 195881 | 195887 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 279831 | 1958871 |
| Prime factorization | 7 × 27983 | 195887 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 27983, 195881 | 1, 195887 |
| Number of properties | 1 | 6 |
| Cousin primes (2nd member) | 2096th | |
| Isolated primes | 13405th | |
| Long primes | 6606th | |
| Primes | 17646th | |
| Safe primes | 1147th | |
| Semiprimes | 44343rd | |
| Sexy primes (1st member) | 4225th | |
| Roman numberals | ||
| Base 2 | 1011111101001010012 | 1011111101001011112 |
| Base 3 | 1002212002123 | 1002212010023 |
| Base 4 | 2333102214 | 2333102334 |
| Base 5 | 222320115 | 222320225 |
| Base 6 | 41105056 | 41105156 |
| Base 7 | 14440407 | 14440467 |
| Base 8 | 5764518 | 5764578 |
| Base 9 | 3276259 | 3276329 |
| Base 10 | 19588110 | 19588710 |
| Base 11 | 12419411 | 12419a11 |
| Base 12 | 9543512 | 9543b12 |
| Base 13 | 6b20a13 | 6b21313 |
| Base 14 | 5155714 | 5155d14 |
| Base 15 | 3d08b15 | 3d09215 |
| Base 16 | 2fd2916 | 2fd2f16 |