Properties of the Number 54918

Fifty-Four Thousand Nine Hundred Eighteen

Basics

Value: 54917 → 54918 → 54919

Parity: even

Prime: No

Previous Prime: 54917

Next Prime: 54919

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵ × 113

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 113

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011010000110

Octal: 153206

Duodecimal: 27946

Hexadecimal: d686

Square: 3015986724

Square Root: 234.34589819324768

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

Numbers k such that k² contains every digit at least once. A54038

Numbers n such that n² contains every decimal digit exactly once. A156977

G.f. A(x) satisfies A(x) = ( 1 + 9·x*(1 + x)*A(x) )^1/3. A372038

Expansion of e.g.f. 1/(1 - x * (exp(3·x) - 1)). A367886

Number of subsets of {1..n} where no two elements sum to a prime. A391562

Number of connected unlabeled digraphs with n nodes such that complement is also connected. A54918