Properties of the Number 66532

Sixty-Six Thousand Five Hundred Thirty-Two

Basics

Value: 66531 → 66532 → 66533

Parity: even

Prime: No

Previous Prime: 66529

Next Prime: 66533

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 16633

Divisors: 1, 2, 4, 16633, 33266, 66532

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001111100100

Octal: 201744

Duodecimal: 32604

Hexadecimal: 103e4

Square: 4426507024

Square Root: 257.9379770409933

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 ways to place n² nonattacking kings on a 2n X 2n cylindrical chessboard. A137432

Number of ways to place 5n nonattacking kings on a 10 X 2n cylindrical chessboard. A194647

Number of ways to place 5n nonattacking kings on a vertical cylinder 10 X 2n. A195593

Integers n such that p = 4n + 1, q = 4p + 3, r = 4q + 5, s = 4r + 7 and t = 4s + 9 are all prime. A243528

Main diagonal of array in A358298. A358301

If n is odd a(n) = 1, if n is even a(n) = 2^n-1. A66532

Number of length n+2 0..3 arrays with the sum of the maximum minus twice the median plus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero. A251423