Compare 161988 vs 161989
| Property | 161988 | 161989 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 31 × 134991 | 231 × 70431 |
| Prime factorization | 2 × 2 × 3 × 13499 | 23 × 7043 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 4, 6, 12, 13499, 26998, 40497, 53996, 80994, 161988 | 1, 23, 7043, 161989 |
| Number of properties | 0 | 1 |
| Semiprimes | 37000th | |
| Roman numberals | ||
| Base 2 | 1001111000110001002 | 1001111000110001012 |
| Base 3 | 220200121203 | 220200121213 |
| Base 4 | 2132030104 | 2132030114 |
| Base 5 | 201404235 | 201404245 |
| Base 6 | 32455406 | 32455416 |
| Base 7 | 12431617 | 12431627 |
| Base 8 | 4743048 | 4743058 |
| Base 9 | 2661769 | 2661779 |
| Base 10 | 16198810 | 16198910 |
| Base 11 | 10078211 | 10078311 |
| Base 12 | 798b012 | 798b112 |
| Base 13 | 5896813 | 5896913 |
| Base 14 | 4306814 | 4306914 |
| Base 15 | 32ee315 | 32ee415 |
| Base 16 | 278c416 | 278c516 |