Properties of the Number 56545

Fifty-Six Thousand Five Hundred Forty-Five

Basics

Value: 56544 → 56545 → 56546

Parity: odd

Prime: No

Previous Prime: 56543

Next Prime: 56569

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 43 × 263

Divisors: 1, 5, 43, 215, 263, 1315, 11309, 56545

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110011100001

Octal: 156341

Duodecimal: 28881

Hexadecimal: dce1

Square: 3197337025

Square Root: 237.79192585115248

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

Expansion of e.g.f.: exp(tan(arctanh(x)))=1+x+1/2!*x²+5/3!*x³+17/4!*x⁴+121/5!*x⁵... A12174

cosh(tan(arctanh(x)))=1+1/2!*x²+17/4!*x⁴+721/6!*x⁶+56545/8!*x⁸... A12182

a(n) = 4·n*a(n-1) + 1 with a(0)=1. A56545

E.g.f. satisfies: A(x/A(x)²) = exp(x). A144682