Compare 280 vs 283
| Property | 280 | 283 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 23 × 51 × 71 | 2831 |
| Prime factorization | 2 × 2 × 2 × 5 × 7 | 283 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280 | 1, 283 |
| Number of properties | 0 | 9 |
| Additive primes | 35th | |
| Left-truncatable primes | 22nd | |
| Lucky primes | 17th | |
| Primes | 61st | |
| Prime triplets (3rd member) | 17th | |
| Sexy primes (2nd member) | 34th | |
| Sexy prime triplets (3rd member) | 17th | |
| Super primes | 18th | |
| Twin primes (2nd member) | 19th | |
| Roman numberals | CCLXXX | CCLXXXIII |
| Base 2 | 1000110002 | 1000110112 |
| Base 3 | 1011013 | 1011113 |
| Base 4 | 101204 | 101234 |
| Base 5 | 21105 | 21135 |
| Base 6 | 11446 | 11516 |
| Base 7 | 5507 | 5537 |
| Base 8 | 4308 | 4338 |
| Base 9 | 3419 | 3449 |
| Base 10 | 28010 | 28310 |
| Base 11 | 23511 | 23811 |
| Base 12 | 1b412 | 1b712 |
| Base 13 | 18713 | 18a13 |
| Base 14 | 16014 | 16314 |
| Base 15 | 13a15 | 13d15 |
| Base 16 | 11816 | 11b16 |