Properties of the Number -66843

Sixty-Six Thousand Eight Hundred Forty-Three

Basics

Value: -66844 → -66843 → -66842

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1061

Divisors: 1, 3, 7, 9, 21, 63, 1061, 3183, 7427, 9549

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10000010100011011

Octal: -202433

Duodecimal: -32823

Hexadecimal: -1051b

Square: 4467986649

Square Root: 258.5401322812379

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

L.g.f.: ∑_n>=1 xⁿ/n * ∑_k=0..n binomial(n,k)² * x^k*(1-x)^n-k. A217464

Number of sets of exactly six positive integers <= n having a square element sum. A281866