Compare 81040 vs 81049
| Property | 81040 | 81049 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 24 × 51 × 10131 | 810491 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 1013 | 81049 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1013, 2026, 4052, 5065, 8104, 10130, 16208, 20260, 40520, 81040 | 1, 81049 |
| Number of properties | 0 | 7 |
| Chen primes | 3589th | |
| Primes | 7935th | |
| Prime quadruplets (4th member) | 34th | |
| Prime triplets (3rd member) | 429th | |
| Pythagorean primes | 3954th | |
| Sexy primes (2nd member) | 2062nd | |
| Twin primes (2nd member) | 1023rd | |
| Roman numberals | ||
| Base 2 | 100111100100100002 | 100111100100110012 |
| Base 3 | 110100111113 | 110100112113 |
| Base 4 | 1033021004 | 1033021214 |
| Base 5 | 100431305 | 100431445 |
| Base 6 | 14231046 | 14231216 |
| Base 7 | 4551617 | 4552037 |
| Base 8 | 2362208 | 2362318 |
| Base 9 | 1331449 | 1331549 |
| Base 10 | 8104010 | 8104910 |
| Base 11 | 5598311 | 5599111 |
| Base 12 | 3aa9412 | 3aaa112 |
| Base 13 | 2ab6b13 | 2ab7713 |
| Base 14 | 2176814 | 2177314 |
| Base 15 | 1902a15 | 1903415 |
| Base 16 | 13c9016 | 13c9916 |