Compare 280021 vs 280031
| Property | 280021 | 280031 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 1091 × 3671 | 2800311 |
| Prime factorization | 7 × 109 × 367 | 280031 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 109, 367, 763, 2569, 40003, 280021 | 1, 280031 |
| Number of properties | 0 | 3 |
| Isolated primes | 18767th | |
| Primes | 24436th | |
| Sexy primes (1st member) | 5663rd | |
| Roman numberals | ||
| Base 2 | 10001000101110101012 | 10001000101110111112 |
| Base 3 | 1120200100113 | 1120200101123 |
| Base 4 | 10101131114 | 10101131334 |
| Base 5 | 324300415 | 324301115 |
| Base 6 | 100002216 | 100002356 |
| Base 7 | 22442507 | 22442637 |
| Base 8 | 10427258 | 10427378 |
| Base 9 | 4661049 | 4661159 |
| Base 10 | 28002110 | 28003110 |
| Base 11 | 18142511 | 18143411 |
| Base 12 | 11607112 | 11607b12 |
| Base 13 | 9a5c113 | 9a5cb13 |
| Base 14 | 7409714 | 740a314 |
| Base 15 | 57e8115 | 57e8b15 |
| Base 16 | 445d516 | 445df16 |