Compare 138215 vs 138221
| Property | 138215 | 138221 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 51 × 71 × 111 × 3591 | 671 × 20631 |
| Prime factorization | 5 × 7 × 11 × 359 | 67 × 2063 |
| Divisors count | 16 | 4 |
| Divisors | 1, 5, 7, 11, 35, 55, 77, 359, 385, 1795, 2513, 3949, 12565, 19745, 27643, 138215 | 1, 67, 2063, 138221 |
| Number of properties | 0 | 1 |
| Semiprimes | 31797th | |
| Roman numberals | ||
| Base 2 | 1000011011111001112 | 1000011011111011012 |
| Base 3 | 210001210023 | 210001210223 |
| Base 4 | 2012332134 | 2012332314 |
| Base 5 | 134103305 | 134103415 |
| Base 6 | 25435156 | 25435256 |
| Base 7 | 11136507 | 11136567 |
| Base 8 | 4157478 | 4157558 |
| Base 9 | 2305329 | 2305389 |
| Base 10 | 13821510 | 13822110 |
| Base 11 | 9493011 | 9493611 |
| Base 12 | 67b9b12 | 67ba512 |
| Base 13 | 4abac13 | 4abb513 |
| Base 14 | 3852714 | 3852d14 |
| Base 15 | 2ae4515 | 2ae4b15 |
| Base 16 | 21be716 | 21bed16 |