Properties of the Number 28032

Twenty-Eight Thousand Thirty-Two

Basics

Value: 28031 → 28032 → 28033

Parity: even

Prime: No

Previous Prime: 28031

Next Prime: 28051

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁷ × 3 × 73

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110110000000

Octal: 66600

Duodecimal: 14280

Hexadecimal: 6d80

Square: 785793024

Square Root: 167.4275962916508

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) = p(n)*p(n+2)-p(n+1), where p(n) is the n-th prime. A152530

T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with row sums and column sums nondecreasing. A267990

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 417", based on the 5-celled von Neumann neighborhood. A288059

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 241", based on the 5-celled von Neumann neighborhood. A287097

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 425", based on the 5-celled von Neumann neighborhood. A288130

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 598", based on the 5-celled von Neumann neighborhood. A289769

Integers n such that for all i > n the largest prime factor of i(i+1)(i+2)(i+3)(i+4)(i+5) exceeds the largest prime factor of n(n+1)(n+2)(n+3)(n+4)(n+5). A193947

Triangle T(n,k) in which the n-th row encodes the inverse of a 3n X 3n Jacobi matrix, with 1's on the lower, main, and upper diagonals in GF(2), where the encoding consists of the decimal representations for the binary rows (n >= 1, 1 <= k <= 3n). A363146

Expansion of e.g.f. exp(arctanh(arcsinh(x))). A12262

Numbers k such that φ(k) = bigomega(k)*τ(k)². A68540