Properties of the Number -130986

One Hundred Thirty Thousand Nine Hundred Eighty-Six

Basics

Value: -130987 → -130986 → -130985

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 19 × 383

Divisors: 1, 2, 3, 6, 9, 18, 19, 38, 57, 114

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111111110101010

Octal: -377652

Duodecimal: -63976

Hexadecimal: -1ffaa

Square: 17157332196

Square Root: 361.9198806365851

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

Quadrinomial coefficients. A5720

Number of binary strings of length 2n which contain the ones' complement of each of their two halves. A237500

a(n) = 2^n-5 - A000931(n). A216714

a(n) = (n + 1)² + n!*L_n(-1), where L_n(x) is the Laguerre polynomial. A317094

Ranks of certain relations among Euler sums of weight n. A38360

a(n) = 1+(n+1)²+n!+∑_k=1..n-1 binomial(n,k)*n!/(n-k)!. A274294

Number of free tree-like convex polyominoes with n cells. A204804