Compare 158981 vs 158986
| Property | 158981 | 158986 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1589811 | 21 × 794931 |
| Prime factorization | 158981 | 2 × 79493 |
| Divisors count | 2 | 4 |
| Divisors | 1, 158981 | 1, 2, 79493, 158986 |
| Number of properties | 9 | 1 |
| Emirps | 3190th | |
| Happy primes | 2263rd | |
| Harmonic primes | 5472nd | |
| Isolated primes | 11018th | |
| Long primes | 5449th | |
| Primes | 14597th | |
| Pythagorean primes | 7278th | |
| Semiprimes | 36340th | |
| Sophie germain primes | 1705th | |
| Ulam primes | 1046th | |
| Roman numberals | ||
| Base 2 | 1001101101000001012 | 1001101101000010102 |
| Base 3 | 220020020123 | 220020021013 |
| Base 4 | 2123100114 | 2123100224 |
| Base 5 | 200414115 | 200414215 |
| Base 6 | 32240056 | 32240146 |
| Base 7 | 12313347 | 12313427 |
| Base 8 | 4664058 | 4664128 |
| Base 9 | 2620659 | 2620719 |
| Base 10 | 15898110 | 15898610 |
| Base 11 | a949911 | a94a311 |
| Base 12 | 7800512 | 7800a12 |
| Base 13 | 5749413 | 5749913 |
| Base 14 | 41d1b14 | 41d2214 |
| Base 15 | 3218b15 | 3219115 |
| Base 16 | 26d0516 | 26d0a16 |