Properties of the Number -28340

Twenty-Eight Thousand Three Hundred Forty

Basics

Value: -28341 → -28340 → -28339

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 13 × 109

Divisors: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111010110100

Octal: -67264

Duodecimal: -14498

Hexadecimal: -6eb4

Square: 803155600

Square Root: 168.34488409215172

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

Triangle of coefficients of g.f. a*(1+x)ⁿ + b*(1-x)ⁿ⁺²*polylog(-n-1, x)/x + 2ⁿ*c*(1-x)ⁿ⁺¹*LerchPhi(x, -n, 1/2), with a = -2, b = 2, c = 1. A168524

Practical numbers z such that z² = x² + y² for some practical numbers·and y with gcd(x,y,z) = 4. A294112

Sum of the first n twin prime pairs. A86169

Least positive integer m such that m·n divides F(m+n), where F(k) denotes the k-th Fibonacci number A000045(k). A297573

Number of length n+1 0..2·1 arrays with the sum of the absolute values of adjacent differences equal to n·1. A249975