Compare 161991 vs 161992
| Property | 161991 | 161992 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 4 |
| Prime factorization | 32 × 411 × 4391 | 23 × 202491 |
| Prime factorization | 3 × 3 × 41 × 439 | 2 × 2 × 2 × 20249 |
| Divisors count | 12 | 8 |
| Divisors | 1, 3, 9, 41, 123, 369, 439, 1317, 3951, 17999, 53997, 161991 | 1, 2, 4, 8, 20249, 40498, 80996, 161992 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1001111000110001112 | 1001111000110010002 |
| Base 3 | 220200122003 | 220200122013 |
| Base 4 | 2132030134 | 2132030204 |
| Base 5 | 201404315 | 201404325 |
| Base 6 | 32455436 | 32455446 |
| Base 7 | 12431647 | 12431657 |
| Base 8 | 4743078 | 4743108 |
| Base 9 | 2661809 | 2661819 |
| Base 10 | 16199110 | 16199210 |
| Base 11 | 10078511 | 10078611 |
| Base 12 | 798b312 | 798b412 |
| Base 13 | 5896b13 | 5896c13 |
| Base 14 | 4306b14 | 4306c14 |
| Base 15 | 32ee615 | 32ee715 |
| Base 16 | 278c716 | 278c816 |