Compare 813121 vs 813129
| Property | 813121 | 813129 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 8131211 | 31 × 2710431 |
| Prime factorization | 813121 | 3 × 271043 |
| Divisors count | 2 | 4 |
| Divisors | 1, 813121 | 1, 3, 271043, 813129 |
| Number of properties | 3 | 1 |
| Isolated primes | 51225th | |
| Lucky primes | 7272nd | |
| Primes | 64914th | |
| Semiprimes | 172307th | |
| Roman numberals | ||
| Base 2 | 110001101000010000012 | 110001101000010010012 |
| Base 3 | 11120221011213 | 11120221012203 |
| Base 4 | 30122010014 | 30122010214 |
| Base 5 | 2020044415 | 2020100045 |
| Base 6 | 252322416 | 252322536 |
| Base 7 | 66244217 | 66244327 |
| Base 8 | 30641018 | 30641118 |
| Base 9 | 14683479 | 14683569 |
| Base 10 | 81312110 | 81312910 |
| Base 11 | 505a0111 | 505a0911 |
| Base 12 | 33268112 | 33268912 |
| Base 13 | 22614a13 | 22615513 |
| Base 14 | 17248114 | 17248914 |
| Base 15 | 110dd115 | 110dd915 |
| Base 16 | c684116 | c684916 |