Properties of the Number -31828

Thirty-One Thousand Eight Hundred Twenty-Eight

Basics

Value: -31829 → -31828 → -31827

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 73 × 109

Divisors: 1, 2, 4, 73, 109, 146, 218, 292, 436, 7957

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110001010100

Octal: -76124

Duodecimal: -16504

Hexadecimal: -7c54

Square: 1013021584

Square Root: 178.4040358287895

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

Partial sums of A299283. A299284

Numbers k such that the digits of k² are exactly the same (albeit in different order) as the digits of (k+1)². A72841

Numbers n such that n | sigma₁₂(n). A55716

Composite n such that (n-1)*φ(n) is a perfect square. A69953