Properties of the Number -137161

One Hundred Thirty-Seven Thousand One Hundred Sixty-One

Basics

Value: -137162 → -137161 → -137160

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19 × 7219

Divisors: 1, 19, 7219, 137161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001011111001001

Octal: -413711

Duodecimal: -67461

Hexadecimal: -217c9

Square: 18813139921

Square Root: 370.35253475573785

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 compositions of n avoiding the pattern 1111. A232464

a(n) = ∑_{1 <= x₁, x₂, x₃ <= n} σ( n/gcd(x₁, x₂, x₃, n) ). A373130

a(n) = ∑_{1 <= x₁, x₂ <= n} σ( ( n/gcd(x₁, x₂, n) )² ). A373132