Properties of the Number 56550

Fifty-Six Thousand Five Hundred Fifty

Basics

Value: 56549 → 56550 → 56551

Parity: even

Prime: No

Previous Prime: 56543

Next Prime: 56569

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ² × 13 × 29

Divisors: 1, 2, 3, 5, 6, 10, 13, 15, 25, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101110011100110

Octal: 156346

Duodecimal: 28886

Hexadecimal: dce6

Square: 3197902500

Square Root: 237.80243901188229

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

a(n) = a(n-1) + a(n-1-(number of odd terms so far)). A7604

a(n) = Sum{T(i,j)}, 0<=j<=i, 0<=i<=2n, T given by A026568. A26583

Number of ways to place a non-attacking black king and white king on an n X n board, up to rotation and reflection. A357723

Partial sums of A054595. A177451

Numbers k such that ∑_j=1..k σ(j) is divisible by k, where σ(j) = sum of divisors of j (A000203). A56550