Properties of the Number -18118

Eighteen Thousand One Hundred Eighteen

Basics

Value: -18119 → -18118 → -18117

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 9059

Divisors: 1, 2, 9059, 18118

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011011000110

Octal: -43306

Duodecimal: -A59A

Hexadecimal: -46c6

Square: 328261924

Square Root: 134.60312032044428

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

G.f. satisfies A(x) = (1 + x/A(x)²)/(1 - x). A366364

E.g.f.: A(x) = exp( ∑_n>=0 x^2ⁿ/2^2ⁿ-1 ). A118930

Numbers consisting of ones and eights. A213084

Concatenations x||1||x for numbers x. A392225

Expansion of ∏_k>0 (1 + ∑_m>0 x^k·m!). A304332

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 92 ones. A31860