Compare 164986 vs 164987
| Property | 164986 | 164987 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 824931 | 1649871 |
| Prime factorization | 2 × 82493 | 164987 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 82493, 164986 | 1, 164987 |
| Number of properties | 1 | 4 |
| Harmonic primes | 5670th | |
| Isolated primes | 11403rd | |
| Primes | 15092nd | |
| Safe primes | 1000th | |
| Semiprimes | 37667th | |
| Roman numberals | ||
| Base 2 | 1010000100011110102 | 1010000100011110112 |
| Base 3 | 221010221213 | 221010221223 |
| Base 4 | 2201013224 | 2201013234 |
| Base 5 | 202344215 | 202344225 |
| Base 6 | 33114546 | 33114556 |
| Base 7 | 12550037 | 12550047 |
| Base 8 | 5021728 | 5021738 |
| Base 9 | 2712779 | 2712789 |
| Base 10 | 16498610 | 16498710 |
| Base 11 | 102a5811 | 102a5911 |
| Base 12 | 7b58a12 | 7b58b12 |
| Base 13 | 5a13313 | 5a13413 |
| Base 14 | 441aa14 | 441ab14 |
| Base 15 | 33d4115 | 33d4215 |
| Base 16 | 2847a16 | 2847b16 |