Properties of the Number -130682

One Hundred Thirty Thousand Six Hundred Eighty-Two

Basics

Value: -130683 → -130682 → -130681

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 19 ² × 181

Divisors: 1, 2, 19, 38, 181, 361, 362, 722, 3439, 6878

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111111001111010

Octal: -377172

Duodecimal: -63762

Hexadecimal: -1fe7a

Square: 17077785124

Square Root: 361.4996542183685

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) = n²*(n²+1). A71253

Sum of two powers of 19. A73214

a(n) = n²*sigma₂(n). A386745

Numbers k such that core(k) = ceiling(sqrt(k)) where core(k) is the squarefree part of k (the smallest integer such that k·core(k) is a square). A69187

Numbers k such that core(k) is equal to the sum of the proper square divisors of k, where core(k) = A007913(k). A225882

Denominators of continued fraction convergents to sqrt(679). A42305

a(0)=0, a(1)=1, a(2n)=19·a(n), a(2n+1)=a(2n)+1. A197353

Numbers of the form p² * (p² + 1) where p is in A225856. A225892

Primitive numbers that are the sum of the squares of two of their distinct divisors. A338485