Compare 1281 vs 1288
| Property | 1281 | 1288 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 5 |
| Prime factorization | 31 × 71 × 611 | 23 × 71 × 231 |
| Prime factorization | 3 × 7 × 61 | 2 × 2 × 2 × 7 × 23 |
| Divisors count | 8 | 16 |
| Divisors | 1, 3, 7, 21, 61, 183, 427, 1281 | 1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCLXXXI | MCCLXXXVIII |
| Base 2 | 101000000012 | 101000010002 |
| Base 3 | 12021103 | 12022013 |
| Base 4 | 1100014 | 1100204 |
| Base 5 | 201115 | 201235 |
| Base 6 | 55336 | 55446 |
| Base 7 | 35107 | 35207 |
| Base 8 | 24018 | 24108 |
| Base 9 | 16739 | 16819 |
| Base 10 | 128110 | 128810 |
| Base 11 | a6511 | a7111 |
| Base 12 | 8a912 | 8b412 |
| Base 13 | 77713 | 78113 |
| Base 14 | 67714 | 68014 |
| Base 15 | 5a615 | 5ad15 |
| Base 16 | 50116 | 50816 |