Properties of the Number -126642

One Hundred Twenty-Six Thousand Six Hundred Forty-Two

Basics

Value: -126643 → -126642 → -126641

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 21107

Divisors: 1, 2, 3, 6, 21107, 42214, 63321, 126642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110111010110010

Octal: -367262

Duodecimal: -61356

Hexadecimal: -1eeb2

Square: 16038196164

Square Root: 355.8679530387641

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

Number of inequivalent n X 3 nonnegative integer arrays with row sums 3 and column sums n up to permutations of rows and columns. A377061

Row sums of triangle of coefficients (A086610) where T(n,k) is the coefficient of xⁿ*y^k in f(x,y) that satisfies f(x,y) = (1-x-x²)/(1-x)² + xy·f(x,y)². A86611