Properties of the Number -131409

One Hundred Thirty-One Thousand Four Hundred Nine

Basics

Value: -131410 → -131409 → -131408

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 31 × 157

Divisors: 1, 3, 9, 27, 31, 93, 157, 279, 471, 837

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000000101010001

Octal: -400521

Duodecimal: -64069

Hexadecimal: -20151

Square: 17268325281

Square Root: 362.50379308360345

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) = min( x : x⁴ + n⁴ = 0 mod (x+n-1) ). A66487

Number of (4+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)+x(i-1,j) in the j direction. A250759