Properties of the Number -225681

Two Hundred Twenty-Five Thousand Six Hundred Eighty-One

Basics

Value: -225682 → -225681 → -225680

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 75227

Divisors: 1, 3, 75227, 225681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111000110010001

Octal: -670621

Duodecimal: -AA729

Hexadecimal: -37191

Square: 50931913761

Square Root: 475.0589437111989

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 the concatenation 1,2,3,...,(k-1) is divisible by k. A110740

E.g.f. satisfies: A(x) = ( exp(x·A(x)) + exp(x·A(-x)) )/2. A198198