Compare 161981 vs 161988
| Property | 161981 | 161988 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 431 × 37671 | 22 × 31 × 134991 |
| Prime factorization | 43 × 3767 | 2 × 2 × 3 × 13499 |
| Divisors count | 4 | 12 |
| Divisors | 1, 43, 3767, 161981 | 1, 2, 3, 4, 6, 12, 13499, 26998, 40497, 53996, 80994, 161988 |
| Number of properties | 1 | 0 |
| Semiprimes | 36999th | |
| Roman numberals | ||
| Base 2 | 1001111000101111012 | 1001111000110001002 |
| Base 3 | 220200120223 | 220200121203 |
| Base 4 | 2132023314 | 2132030104 |
| Base 5 | 201404115 | 201404235 |
| Base 6 | 32455256 | 32455406 |
| Base 7 | 12431517 | 12431617 |
| Base 8 | 4742758 | 4743048 |
| Base 9 | 2661689 | 2661769 |
| Base 10 | 16198110 | 16198810 |
| Base 11 | 10077611 | 10078211 |
| Base 12 | 798a512 | 798b012 |
| Base 13 | 5896113 | 5896813 |
| Base 14 | 4306114 | 4306814 |
| Base 15 | 32edb15 | 32ee315 |
| Base 16 | 278bd16 | 278c416 |