Compare 161987 vs 161991
| Property | 161987 | 161991 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 4 |
| Prime factorization | 71 × 731 × 3171 | 32 × 411 × 4391 |
| Prime factorization | 7 × 73 × 317 | 3 × 3 × 41 × 439 |
| Divisors count | 8 | 12 |
| Divisors | 1, 7, 73, 317, 511, 2219, 23141, 161987 | 1, 3, 9, 41, 123, 369, 439, 1317, 3951, 17999, 53997, 161991 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1001111000110000112 | 1001111000110001112 |
| Base 3 | 220200121123 | 220200122003 |
| Base 4 | 2132030034 | 2132030134 |
| Base 5 | 201404225 | 201404315 |
| Base 6 | 32455356 | 32455436 |
| Base 7 | 12431607 | 12431647 |
| Base 8 | 4743038 | 4743078 |
| Base 9 | 2661759 | 2661809 |
| Base 10 | 16198710 | 16199110 |
| Base 11 | 10078111 | 10078511 |
| Base 12 | 798ab12 | 798b312 |
| Base 13 | 5896713 | 5896b13 |
| Base 14 | 4306714 | 4306b14 |
| Base 15 | 32ee215 | 32ee615 |
| Base 16 | 278c316 | 278c716 |