Compare 81283 vs 81284
| Property | 81283 | 81284 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 812831 | 22 × 71 × 29031 |
| Prime factorization | 81283 | 2 × 2 × 7 × 2903 |
| Divisors count | 2 | 12 |
| Divisors | 1, 81283 | 1, 2, 4, 7, 14, 28, 2903, 5806, 11612, 20321, 40642, 81284 |
| Number of properties | 3 | 0 |
| Left-truncatable primes | 301st | |
| Primes | 7954th | |
| Twin primes (2nd member) | 1025th | |
| Roman numberals | ||
| Base 2 | 100111101100000112 | 100111101100001002 |
| Base 3 | 110101111113 | 110101111123 |
| Base 4 | 1033120034 | 1033120104 |
| Base 5 | 101001135 | 101001145 |
| Base 6 | 14241516 | 14241526 |
| Base 7 | 4556567 | 4556607 |
| Base 8 | 2366038 | 2366048 |
| Base 9 | 1334449 | 1334459 |
| Base 10 | 8128310 | 8128410 |
| Base 11 | 5608411 | 5608511 |
| Base 12 | 3b05712 | 3b05812 |
| Base 13 | 2acc713 | 2acc813 |
| Base 14 | 2189d14 | 218a014 |
| Base 15 | 1913d15 | 1913e15 |
| Base 16 | 13d8316 | 13d8416 |