Properties of the Number 54543

Fifty-Four Thousand Five Hundred Forty-Three

Basics

Value: 54542 → 54543 → 54544

Parity: odd

Prime: No

Previous Prime: 54541

Next Prime: 54547

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 18181

Divisors: 1, 3, 18181, 54543

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101010100001111

Octal: 152417

Duodecimal: 27693

Hexadecimal: d50f

Square: 2974938849

Square Root: 233.5444283214652

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

Smaller of consecutive values in A075407. A74888

Number of (n+2)X(n+2) binary arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order. A184539

Number of (n+2) X 9 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order. A184546

Number of n X 4 binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing. A266931

T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order. A184548

Engel series expansion (or "Egyptian product") for Catalan's constant G. A54543

T(n,k) = Number of nondecreasing arrangements of n+3 numbers in 0..k with each number being the sum mod (k+1) of three others. A183904