Properties of the Number 51532

Fifty-One Thousand Five Hundred Thirty-Two

Basics

Value: 51531 → 51532 → 51533

Parity: even

Prime: No

Previous Prime: 51521

Next Prime: 51539

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 991

Divisors: 1, 2, 4, 13, 26, 52, 991, 1982, 3964, 12883

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100101001100

Octal: 144514

Duodecimal: 259A4

Hexadecimal: c94c

Square: 2655547024

Square Root: 227.00660783334038

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

Triangle read by rows: T(n,k) is the number of deco polyominoes of height n in which the maximal number of initial consecutive columns ending at the same level is k (1 <= k <= n). A140709

G.f. A(x) satisfies: A(x) = ∑_n>=0 xⁿ/(1 - x²*A(x)ⁿ). A340333

a(n) = ceiling((n+1/n)⁴). A197903

The abelian orders (or abelian numbers): numbers m such that every group of order m is abelian. A51532