Properties of the Number 54987

Fifty-Four Thousand Nine Hundred Eighty-Seven

Basics

Value: 54986 → 54987 → 54988

Parity: odd

Prime: No

Previous Prime: 54983

Next Prime: 55001

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 18329

Divisors: 1, 3, 18329, 54987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101011011001011

Octal: 153313

Duodecimal: 279A3

Hexadecimal: d6cb

Square: 3023570169

Square Root: 234.49307026008253

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

a(n) = n³ + 3·n + 1. A5491

Number T(n,k) of words on {1,1,2,2,...,n,n} with longest increasing subsequence of length k; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A267480

Ceiling((n+1/n)³). A197773

Number of (n+1) X 2 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors. A206260

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 533", based on the 5-celled von Neumann neighborhood. A272784

Decimal expansion of ζ(8). A13666

Smallest composite·such that σ(x+2ⁿ) = σ(x) + 2ⁿ. A54987