Compare 161231 vs 161233
| Property | 161231 | 161233 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 311 × 7431 | 1612331 |
| Prime factorization | 7 × 31 × 743 | 161233 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 31, 217, 743, 5201, 23033, 161231 | 1, 161233 |
| Number of properties | 0 | 7 |
| Cousin primes (1st member) | 1790th | |
| Emirps | 3251st | |
| Harmonic primes | 5542nd | |
| Isolated primes | 11164th | |
| Long primes | 5522nd | |
| Primes | 14787th | |
| Pythagorean primes | 7377th | |
| Roman numberals | ||
| Base 2 | 1001110101110011112 | 1001110101110100012 |
| Base 3 | 220120111123 | 220120111213 |
| Base 4 | 2131130334 | 2131131014 |
| Base 5 | 201244115 | 201244135 |
| Base 6 | 32422356 | 32422416 |
| Base 7 | 12410307 | 12410327 |
| Base 8 | 4727178 | 4727218 |
| Base 9 | 2651459 | 2651479 |
| Base 10 | 16123110 | 16123310 |
| Base 11 | 10015411 | 10015611 |
| Base 12 | 7937b12 | 7938112 |
| Base 13 | 5850513 | 5850713 |
| Base 14 | 42a8714 | 42a8914 |
| Base 15 | 32b8b15 | 32b8d15 |
| Base 16 | 275cf16 | 275d116 |