Properties of the Number 28132

Twenty-Eight Thousand One Hundred Thirty-Two

Basics

Value: 28131 → 28132 → 28133

Parity: even

Prime: No

Previous Prime: 28123

Next Prime: 28151

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 541

Divisors: 1, 2, 4, 13, 26, 52, 541, 1082, 2164, 7033

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110111100100

Octal: 66744

Duodecimal: 14344

Hexadecimal: 6de4

Square: 791409424

Square Root: 167.72596698186004

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

Stirling transform of A104600. A121017

a(n) = prime(n) + n³ + n² + 4n - 1. A60822

Numbers n such that sum of cubes of digits of n equals the sum of prime divisors of n. A217531

Sum of squares of end-to-end distances for self-avoiding walks on the Manhattan lattice. A260777

Number of 5Xn 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically. A208700

Number of nX7 binary arrays with some 1 horizontally or vertically adjacent to some other 1 exactly once. A268739

Number of nX7 binary arrays with some element plus some horizontally or vertically adjacent neighbor totalling two no more than once. A268749

Expansion of 1/((1-4x)(1-6x)(1-7x)(1-10x)). A28132

A triangle sequence of polynomial coefficients: p(x,n)=(-1)^{n + 1}*(x - 1)^{3·n + 1}*Sum[(Binomial[m, n]* Binomial[m + 1, n + 1]/(m - n + 1))*(m + 1)^ n·x^m, {m, 0, Infinity}]/(xⁿ); t(n,m)=coefficients(p(x,n)). A155756