Properties of the Number 65506

Sixty-Five Thousand Five Hundred Six

Basics

Value: 65505 → 65506 → 65507

Parity: even

Prime: No

Previous Prime: 65497

Next Prime: 65519

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 4679

Divisors: 1, 2, 7, 14, 4679, 9358, 32753, 65506

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111111100010

Octal: 177742

Duodecimal: 31AAA

Hexadecimal: ffe2

Square: 4291036036

Square Root: 255.94139954294226

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

Row sums of triangle A132731. A132732

Double, add 0, double, add 1, double, add 2, double, add 3, etc. A147678

a(0)=1, a(1)=2, a(2)=5, a(n) = 3·a(n+2) - a(n+3). A52963

Number of ways to select 3 or more collinear points from a 4 X n grid. A355552

Row sums of triangle A132823. A132824

Let r(n) be the real positive root of ∑_k=1..n x^k = 1, then a(n) = round(1/(r(n) - 1/2)). A79460

Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by one. A269495

Number of (binary) bit strings of length n having an even length block of 0's followed by an odd length block of 1's. A65506