Properties of the Number 55861

Fifty-Five Thousand Eight Hundred Sixty-One

Basics

Value: 55860 → 55861 → 55862

Parity: odd

Prime: No

Previous Prime: 55849

Next Prime: 55871

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 13 × 4297

Divisors: 1, 13, 4297, 55861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101000110101

Octal: 155065

Duodecimal: 283B1

Hexadecimal: da35

Square: 3120451321

Square Root: 236.34931774811622

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 unlabeled rooted trees with n nodes in which all positive outdegrees are odd. A298118

a(n) = n·F(n) - (n-1)*F(n-1), where the F(j)'s are the Fibonacci numbers (F(0)=0, F(1)=1). A136391

G.f. A(x) satisfies A(x) = x + ( ∑_n>=1 A(xⁿ) )². A382320

Fibonacci sequence beginning 1, 21. A22391

Expansion of 1/((1-3x)(1-5x)(1-6x)(1-10x)). A28056

G.f. satisfies A(x) = x/(1-x) + ∑_n>=1 A(xⁿ)². A382321

Essentially A053506 but with leading 0 (instead of 1) and offset 0. A55861