Compare 666040 vs 666049
| Property | 666040 | 666049 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 166511 | 791 × 84311 |
| Prime factorization | 2 × 2 × 2 × 5 × 16651 | 79 × 8431 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 16651, 33302, 66604, 83255, 133208, 166510, 333020, 666040 | 1, 79, 8431, 666049 |
| Number of properties | 0 | 1 |
| Semiprimes | 142465th | |
| Roman numberals | ||
| Base 2 | 101000101001101110002 | 101000101001110000012 |
| Base 3 | 10202111220113 | 10202111221113 |
| Base 4 | 22022123204 | 22022130014 |
| Base 5 | 1323031305 | 1323031445 |
| Base 6 | 221353046 | 221353216 |
| Base 7 | 54425447 | 54425567 |
| Base 8 | 24246708 | 24247018 |
| Base 9 | 12245649 | 12245749 |
| Base 10 | 66604010 | 66604910 |
| Base 11 | 41545111 | 41545a11 |
| Base 12 | 28153412 | 28154112 |
| Base 13 | 1a420b13 | 1a421713 |
| Base 14 | 134a2414 | 134a2d14 |
| Base 15 | d252a15 | d253415 |
| Base 16 | a29b816 | a29c116 |