Compare 161978 vs 161986
| Property | 161978 | 161986 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 809891 | 21 × 111 × 371 × 1991 |
| Prime factorization | 2 × 80989 | 2 × 11 × 37 × 199 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 80989, 161978 | 1, 2, 11, 22, 37, 74, 199, 398, 407, 814, 2189, 4378, 7363, 14726, 80993, 161986 |
| Number of properties | 1 | 0 |
| Semiprimes | 36997th | |
| Roman numberals | ||
| Base 2 | 1001111000101110102 | 1001111000110000102 |
| Base 3 | 220200120123 | 220200121113 |
| Base 4 | 2132023224 | 2132030024 |
| Base 5 | 201404035 | 201404215 |
| Base 6 | 32455226 | 32455346 |
| Base 7 | 12431457 | 12431567 |
| Base 8 | 4742728 | 4743028 |
| Base 9 | 2661659 | 2661749 |
| Base 10 | 16197810 | 16198610 |
| Base 11 | 10077311 | 10078011 |
| Base 12 | 798a212 | 798aa12 |
| Base 13 | 5895b13 | 5896613 |
| Base 14 | 4305c14 | 4306614 |
| Base 15 | 32ed815 | 32ee115 |
| Base 16 | 278ba16 | 278c216 |