Properties of the Number 55156

Fifty-Five Thousand One Hundred Fifty-Six

Basics

Value: 55155 → 55156 → 55157

Parity: even

Prime: No

Previous Prime: 55147

Next Prime: 55163

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13789

Divisors: 1, 2, 4, 13789, 27578, 55156

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011101110100

Octal: 153564

Duodecimal: 27B04

Hexadecimal: d774

Square: 3042184336

Square Root: 234.85314560380067

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

Expansion of ψ(x⁴) / φ(x) in powers of·where φ(), ψ() are Ramanujan θ functions. A210063

Expansion of ψ(x⁴) / φ(-x) in powers of·where φ(), ψ() are Ramanujan θ functions. A187154

G.f. A(x) satisfies: ∑_n>=0 A(x)^n*(n+1/2) * xⁿ = ∑_n>=0 xⁿ / (1-x)^n*(n-1/2). A326423

a(n) = ∑_{k=0..floor(n/4)} binomial(n,4·k)*binomial(5·k,k)/(4·k+1). A227035

Powers of 3 which are not powers of 3³. A55156