Compare 161985 vs 161989
| Property | 161985 | 161989 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 51 × 107991 | 231 × 70431 |
| Prime factorization | 3 × 5 × 10799 | 23 × 7043 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 5, 15, 10799, 32397, 53995, 161985 | 1, 23, 7043, 161989 |
| Number of properties | 0 | 1 |
| Semiprimes | 37000th | |
| Roman numberals | ||
| Base 2 | 1001111000110000012 | 1001111000110001012 |
| Base 3 | 220200121103 | 220200121213 |
| Base 4 | 2132030014 | 2132030114 |
| Base 5 | 201404205 | 201404245 |
| Base 6 | 32455336 | 32455416 |
| Base 7 | 12431557 | 12431627 |
| Base 8 | 4743018 | 4743058 |
| Base 9 | 2661739 | 2661779 |
| Base 10 | 16198510 | 16198910 |
| Base 11 | 10077a11 | 10078311 |
| Base 12 | 798a912 | 798b112 |
| Base 13 | 5896513 | 5896913 |
| Base 14 | 4306514 | 4306914 |
| Base 15 | 32ee015 | 32ee415 |
| Base 16 | 278c116 | 278c516 |