Compare 40639 vs 40643
| Property | 40639 | 40643 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 406391 | 971 × 4191 |
| Prime factorization | 40639 | 97 × 419 |
| Divisors count | 2 | 4 |
| Divisors | 1, 40639 | 1, 97, 419, 40643 |
| Number of properties | 2 | 1 |
| Primes | 4260th | |
| Semiprimes | 9943rd | |
| Twin primes (2nd member) | 597th | |
| Roman numberals | ||
| Base 2 | 10011110101111112 | 10011110110000112 |
| Base 3 | 20012020113 | 20012020223 |
| Base 4 | 213223334 | 213230034 |
| Base 5 | 23000245 | 23000335 |
| Base 6 | 5120516 | 5120556 |
| Base 7 | 2263247 | 2263317 |
| Base 8 | 1172778 | 1173038 |
| Base 9 | 616649 | 616689 |
| Base 10 | 4063910 | 4064310 |
| Base 11 | 2859511 | 2859911 |
| Base 12 | 1b62712 | 1b62b12 |
| Base 13 | 1566113 | 1566513 |
| Base 14 | 10b4b14 | 10b5114 |
| Base 15 | c09415 | c09815 |
| Base 16 | 9ebf16 | 9ec316 |