Properties of the Number 56541

Fifty-Six Thousand Five Hundred Forty-One

Basics

Value: 56540 → 56541 → 56542

Parity: odd

Prime: No

Previous Prime: 56533

Next Prime: 56543

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 47 × 401

Divisors: 1, 3, 47, 141, 401, 1203, 18847, 56541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110011011101

Octal: 156335

Duodecimal: 28879

Hexadecimal: dcdd

Square: 3196884681

Square Root: 237.78351498789817

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

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302381

An Alexander sequence for the knot 6_3. A99447

Erroneous version of A140763. A159579

Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302378

Number of 4Xn 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302383

a(n) = 2n·a(n-1) + 1 with a(0)=0. A56541