Properties of the Number -8818

Eight Hundred Eighteen

Basics

Value: -8819 → -8818 → -8817

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 4409

Divisors: 1, 2, 4409, 8818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10001001110010

Octal: -21162

Duodecimal: -512A

Hexadecimal: -2272

Square: 77757124

Square Root: 93.90420650854784

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 in which 8 outnumbers all other digits together. A292738

T(n,k)=Number of nXk 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 diagonally or antidiagonally. A229380

T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with each row divisible by 13 and column not divisible by 13, read as a binary number with top and left being the most significant bits. A263303

Expansion of ∏_k=1..7 (1+x^2·k-1)/(1-x^2·k). A316719

Smallest semiprime containing exactly n 8's. A104761

Number of subsets of {1, 2, ..., n} containing n and having <=8 pairwise coprime elements. A186992

Numbers consisting of ones and eights. A213084

Denominators of continued fraction convergents to sqrt(925). A42789

Numbers n for which |n/ζ(2) - Q(n)| sets a new record, where Q(x) is the number of squarefree numbers up to x. A275390

Numbers k such that sigma₀(k-1) + sigma₀(k) + sigma₀(k+1) = 10, where sigma₀(k) = A000005(k). A317670