Properties of the Number 54890

Fifty-Four Thousand Eight Hundred Ninety

Basics

Value: 54889 → 54890 → 54891

Parity: even

Prime: No

Previous Prime: 54881

Next Prime: 54907

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 11 × 499

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 499, 998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011001101010

Octal: 153152

Duodecimal: 27922

Hexadecimal: d66a

Square: 3012912100

Square Root: 234.28614982537914

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

G.f.: ∑_n>=0 (xⁿ + i)ⁿ / (1 + i·xⁿ)ⁿ⁺¹, in which the constant term is taken to be 1. A323689

Expansion of g.f. Product((1+xⁱ)/(1-xⁱ),i=1..n-1)/(1-xⁿ), with n = 7. A91778

Layer counting sequence for hyperbolic tessellation by regular heptagons of angle π/3. A54890

Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A299817