Compare 161387 vs 161391
| Property | 161387 | 161391 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 1613871 | 31 × 231 × 23391 |
| Prime factorization | 161387 | 3 × 23 × 2339 |
| Divisors count | 2 | 8 |
| Divisors | 1, 161387 | 1, 3, 23, 69, 2339, 7017, 53797, 161391 |
| Number of properties | 4 | 0 |
| Chen primes | 6309th | |
| Harmonic primes | 5548th | |
| Isolated primes | 11175th | |
| Primes | 14800th | |
| Roman numberals | ||
| Base 2 | 1001110110011010112 | 1001110110011011112 |
| Base 3 | 220121010223 | 220121011103 |
| Base 4 | 2131212234 | 2131212334 |
| Base 5 | 201310225 | 201310315 |
| Base 6 | 32430556 | 32431036 |
| Base 7 | 12413427 | 12413467 |
| Base 8 | 4731538 | 4731578 |
| Base 9 | 2653389 | 2653439 |
| Base 10 | 16138710 | 16139110 |
| Base 11 | 10028611 | 10028a11 |
| Base 12 | 7948b12 | 7949312 |
| Base 13 | 585c513 | 585c913 |
| Base 14 | 42b5914 | 42b5d14 |
| Base 15 | 32c4215 | 32c4615 |
| Base 16 | 2766b16 | 2766f16 |