Properties of the Number -131072

One Hundred Thirty-One Thousand Seventy-Two

Basics

Value: -131073 → -131072 → -131071

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ¹⁷

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000000000000000

Octal: -400000

Duodecimal: -63A28

Hexadecimal: -20000

Square: 17179869184

Square Root: 362.03867196751236

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Powers of -2: a(n) = (-2)ⁿ. A122803

Expansion of (1-x)/(1 - 2·x + 2·x²). A146559

a(2·n) = 2ⁿ; a(2·n+1) = -(2ⁿ⁺¹). A152166

Expansion of (1-x³)/((1-x)*(1+2·x²)). A117575

Expansion of 1/(1+2·x+2·x²). A108520

Coefficient table for Chebyshev polynomials T(2·n,x) (increasing even powers x, without zeros). A127674

Inverse binomial transform of A084101. A84102

Expansion of (1+2·x)/(1+2·x+2·x²). A90132

Expansion of 1/(1+2·x²). A77966

Triangle T, read by rows, where matrix power T² has 2·4ⁿ in the secondary diagonal: [T²](n+1,n) = 2·4ⁿ, with all 1's in the main diagonal and zeros elsewhere. A117258