Properties of the Number 56529

Fifty-Six Thousand Five Hundred Twenty-Nine

Basics

Value: 56528 → 56529 → 56530

Parity: odd

Prime: No

Previous Prime: 56527

Next Prime: 56531

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 571

Divisors: 1, 3, 9, 11, 33, 99, 571, 1713, 5139, 6281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110011010001

Octal: 156321

Duodecimal: 28869

Hexadecimal: dcd1

Square: 3195527841

Square Root: 237.75828061289474

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

Signed recurrence over binary strict trees: a(n) = 1 - ∑_{x + y = n, 0 < x < y < n} a(x) * a(y). A300866

a(n) = 3ⁿ - lcm{1..n}, with a(0) = 0. A347302

O.g.f.: A(x) = ∑_n>=0 xⁿ / ∏_k=0..n (1 - k*(k+1)*x). A135921

Number of iterations of sum of digits of square to reach 1, 9, 13 or 16. A56529