Compare 157217 vs 157221
| Property | 157217 | 157221 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 6 |
| Prime factorization | 1572171 | 35 × 6471 |
| Prime factorization | 157217 | 3 × 3 × 3 × 3 × 3 × 647 |
| Divisors count | 2 | 12 |
| Divisors | 1, 157217 | 1, 3, 9, 27, 81, 243, 647, 1941, 5823, 17469, 52407, 157221 |
| Number of properties | 8 | 0 |
| Additive primes | 5936th | |
| Chen primes | 6171st | |
| Happy primes | 2242nd | |
| Long primes | 5401st | |
| Primes | 14454th | |
| Pythagorean primes | 7211th | |
| Sexy primes (2nd member) | 3521st | |
| Twin primes (1st member) | 1775th | |
| Roman numberals | ||
| Base 2 | 1001100110001000012 | 1001100110001001012 |
| Base 3 | 212221222123 | 212222000003 |
| Base 4 | 2121202014 | 2121202114 |
| Base 5 | 200123325 | 200123415 |
| Base 6 | 32115056 | 32115136 |
| Base 7 | 12232347 | 12232417 |
| Base 8 | 4630418 | 4630458 |
| Base 9 | 2585859 | 2586009 |
| Base 10 | 15721710 | 15722110 |
| Base 11 | a813511 | a813911 |
| Base 12 | 76b9512 | 76b9912 |
| Base 13 | 5673813 | 5673c13 |
| Base 14 | 4141b14 | 4142114 |
| Base 15 | 318b215 | 318b615 |
| Base 16 | 2662116 | 2662516 |