Compare 64221 vs 64231
| Property | 64221 | 64231 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 214071 | 642311 |
| Prime factorization | 3 × 21407 | 64231 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 21407, 64221 | 1, 64231 |
| Number of properties | 1 | 3 |
| Isolated primes | 4740th | |
| Primes | 6433rd | |
| Semiprimes | 15343rd | |
| Sexy primes (1st member) | 1727th | |
| Roman numberals | ||
| Base 2 | 11111010110111012 | 11111010111001112 |
| Base 3 | 100210021203 | 100210022213 |
| Base 4 | 332231314 | 332232134 |
| Base 5 | 40233415 | 40234115 |
| Base 6 | 12131536 | 12132116 |
| Base 7 | 3551437 | 3551567 |
| Base 8 | 1753358 | 1753478 |
| Base 9 | 1070769 | 1070879 |
| Base 10 | 6422110 | 6423110 |
| Base 11 | 4428311 | 4429211 |
| Base 12 | 311b912 | 3120712 |
| Base 13 | 2330113 | 2330b13 |
| Base 14 | 1959314 | 1959d14 |
| Base 15 | 1406615 | 1407115 |
| Base 16 | fadd16 | fae716 |