Prime Factorization |
28 x 5 |
Divisors |
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280 |
Count of divisors |
18 |
Sum of divisors |
3066 |
Previous integer |
1279 |
Next integer |
1281 |
Is prime? |
NO |
Previous prime |
1279 |
Next prime |
1283 |
1280th prime number |
↻ calculating, please wait |
Is a Fibonacci number? |
NO |
Zeckendorf representation |
987 + 233 + 55 + 5 |
Is a Pell number? |
NO |
Is a regular number? |
YES |
Is a perfect number? |
NO |
Is a perfect square number? |
NO |
Is a perfect cube number? |
NO |
Is power of 2? |
NO |
Is power of 3? |
NO |
Square 12802 |
1638400 |
Square root √1280 |
35.777087639997 |
Cube 12803 |
2097152000 |
Cubic root ∛1280 |
10.85767046638 |
Natural logarithm |
7.1546153569137 |
Decimal logarithm |
3.1072099696479 |