Properties of the Number 65566

Sixty-Five Thousand Five Hundred Sixty-Six

Basics

Value: 65565 → 65566 → 65567

Parity: even

Prime: No

Previous Prime: 65563

Next Prime: 65579

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 32783

Divisors: 1, 2, 32783, 65566

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000000011110

Octal: 200036

Duodecimal: 31B3A

Hexadecimal: 1001e

Square: 4298900356

Square Root: 256.0585870460118

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of partitions of the graph G_n (defined below) into "strokes". A131520

Numbers whose derivative is equal to the arithmetic derivative. A273993

Number of (n+1) X (4+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nonincreasing x(i,j)-x(i-1,j) in the j direction. A250738

The real part of b(n) where b(n) = (n + b(n-1)) * (1 + i) with b(-1)=0; i = sqrt(-1). A309878

Trajectory of 1 under map n->45n+1 if n odd, n->n/2 if n even. A33978

Sum of the n-th row of A077339. A81929

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nonincreasing x(i,j)-x(i-1,j) in the j direction. A250742

Numbers k such that floor((5/4)^k+1)/floor((5/4)^k) = 5/4. A65566