Properties of the Number -131142

One Hundred Thirty-One Thousand One Hundred Forty-Two

Basics

Value: -131143 → -131142 → -131141

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 1987

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 1987, 3974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000000001000110

Octal: -400106

Duodecimal: -63A86

Hexadecimal: -20046

Square: 17198224164

Square Root: 362.1353338187258

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

a(n) = ∑_m=0..n (-1)^m * ( ∑_k=0..m binomial(n,k) )². A348662

Number of compositions of n avoiding the pattern 111. A232432

Number of 3 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1). A100315

Sum of the sizes of all subsets of [n] whose sum is divisible by n. A309122