Properties of the Number 28190

Twenty-Eight Thousand One Hundred Ninety

Basics

Value: 28189 → 28190 → 28191

Parity: even

Prime: No

Previous Prime: 28183

Next Prime: 28201

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 2819

Divisors: 1, 2, 5, 10, 2819, 5638, 14095, 28190

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111000011110

Octal: 67036

Duodecimal: 14392

Hexadecimal: 6e1e

Square: 794676100

Square Root: 167.89877903070052

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

Structured pentakis dodecahedral numbers (vertex structure 6). A100173

Number of (n+1) X (3+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250724

Number of length n 1..(6+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal. A254216

T(n,k) = number of length n 1..(k+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal. A254218

Expansion of 1/((1-5x)(1-8x)(1-9x)(1-10x)). A28190