Compare 161531 vs 161538
| Property | 161531 | 161538 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 5 |
| Total factors | 1 | 5 |
| Prime factorization | 1615311 | 21 × 31 × 131 × 191 × 1091 |
| Prime factorization | 161531 | 2 × 3 × 13 × 19 × 109 |
| Divisors count | 2 | 32 |
| Divisors | 1, 161531 | 1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 109, 114, 218, 247, 327, 494, 654, 741, 1417, 1482, 2071, 2834, 4142, 4251, 6213, 8502, 12426, 26923, 53846, 80769, 161538 |
| Number of properties | 5 | 0 |
| Additive primes | 6073rd | |
| Chen primes | 6314th | |
| Cousin primes (2nd member) | 1794th | |
| Isolated primes | 11184th | |
| Primes | 14811th | |
| Roman numberals | ||
| Base 2 | 1001110110111110112 | 1001110111000000102 |
| Base 3 | 220121201223 | 220121202203 |
| Base 4 | 2131233234 | 2131300024 |
| Base 5 | 201321115 | 201321235 |
| Base 6 | 32434556 | 32435106 |
| Base 7 | 12416367 | 12416467 |
| Base 8 | 4733738 | 4734028 |
| Base 9 | 2655189 | 2655269 |
| Base 10 | 16153110 | 16153810 |
| Base 11 | 1003a711 | 10040311 |
| Base 12 | 7958b12 | 7959612 |
| Base 13 | 586a613 | 586b013 |
| Base 14 | 42c1d14 | 42c2614 |
| Base 15 | 32cdb15 | 32ce315 |
| Base 16 | 276fb16 | 2770216 |