Prime Factorization |
661 |
Divisors |
1, 661 |
Count of divisors |
2 |
Sum of divisors |
662 |
Previous integer |
660 |
Next integer |
662 |
Is prime? |
YES |
Prime number position |
121 |
Previous prime |
659 |
Next prime |
673 |
661st prime number |
↻ calculating, please wait |
Is a Fibonacci number? |
NO |
Zeckendorf representation |
610 + 34 + 13 + 3 + 1 |
Is a Pell number? |
NO |
Is a regular number? |
NO |
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 6612 |
436921 |
Square root √661 |
25.709920264365 |
Cube 6613 |
288804781 |
Cubic root ∛661 |
8.7109827387101 |
Natural logarithm |
6.4937538398517 |
Decimal logarithm |
2.8202014594856 |