| Prime Factorization |
28 |
| Divisors |
1, 2, 4, 8, 16, 32, 64, 128, 256 |
| Count of divisors |
9 |
| Sum of divisors |
511 |
| Previous integer |
255 |
| Next integer |
257 |
| Is prime? |
NO |
| Previous prime |
251 |
| Next prime |
257 |
| 256th prime number |
↻ calculating, please wait |
| Is a Fibonacci number? |
NO |
| Zeckendorf representation |
233 + 21 + 2 |
| Is a Pell number? |
NO |
| Is a regular number? |
YES |
| Is a perfect number? |
NO |
| Is a perfect square number? |
YES |
| Is a perfect cube number? |
NO |
| Is power of 2? |
YES |
| Is power of 3? |
NO |
| Square 2562 |
65536 |
| Square root √256 |
16 |
| Cube 2563 |
16777216 |
| Cubic root ∛256 |
6.3496042078728 |
| Natural logarithm |
5.5451774444796 |
| Decimal logarithm |
2.4082399653118 |