Compare 161981 vs 161982
| Property | 161981 | 161982 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 431 × 37671 | 21 × 32 × 89991 |
| Prime factorization | 43 × 3767 | 2 × 3 × 3 × 8999 |
| Divisors count | 4 | 12 |
| Divisors | 1, 43, 3767, 161981 | 1, 2, 3, 6, 9, 18, 8999, 17998, 26997, 53994, 80991, 161982 |
| Number of properties | 1 | 0 |
| Semiprimes | 36999th | |
| Roman numberals | ||
| Base 2 | 1001111000101111012 | 1001111000101111102 |
| Base 3 | 220200120223 | 220200121003 |
| Base 4 | 2132023314 | 2132023324 |
| Base 5 | 201404115 | 201404125 |
| Base 6 | 32455256 | 32455306 |
| Base 7 | 12431517 | 12431527 |
| Base 8 | 4742758 | 4742768 |
| Base 9 | 2661689 | 2661709 |
| Base 10 | 16198110 | 16198210 |
| Base 11 | 10077611 | 10077711 |
| Base 12 | 798a512 | 798a612 |
| Base 13 | 5896113 | 5896213 |
| Base 14 | 4306114 | 4306214 |
| Base 15 | 32edb15 | 32edc15 |
| Base 16 | 278bd16 | 278be16 |