Compare 142521 vs 142529
| Property | 142521 | 142529 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 475071 | 1425291 |
| Prime factorization | 3 × 47507 | 142529 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 47507, 142521 | 1, 142529 |
| Number of properties | 1 | 7 |
| Additive primes | 5462nd | |
| Chen primes | 5690th | |
| Emirps | 2769th | |
| Harmonic primes | 4961st | |
| Isolated primes | 9967th | |
| Primes | 13224th | |
| Pythagorean primes | 6590th | |
| Semiprimes | 32731st | |
| Roman numberals | ||
| Base 2 | 1000101100101110012 | 1000101100110000012 |
| Base 3 | 210201111203 | 210201112123 |
| Base 4 | 2023023214 | 2023030014 |
| Base 5 | 140300415 | 140301045 |
| Base 6 | 30154536 | 30155056 |
| Base 7 | 11323417 | 11323527 |
| Base 8 | 4262718 | 4263018 |
| Base 9 | 2364469 | 2364559 |
| Base 10 | 14252110 | 14252910 |
| Base 11 | 9809511 | 980a211 |
| Base 12 | 6a58912 | 6a59512 |
| Base 13 | 4cb4213 | 4cb4a13 |
| Base 14 | 39d2114 | 39d2914 |
| Base 15 | 2c36615 | 2c36e15 |
| Base 16 | 22cb916 | 22cc116 |