Properties of the Number 28716

Twenty-Eight Thousand Seven Hundred Sixteen

Basics

Value: 28715 → 28716 → 28717

Parity: even

Prime: No

Previous Prime: 28711

Next Prime: 28723

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 2393

Divisors: 1, 2, 3, 4, 6, 12, 2393, 4786, 7179, 9572

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000000101100

Octal: 70054

Duodecimal: 14750

Hexadecimal: 702c

Square: 824608656

Square Root: 169.45795938816212

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

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 34. A234838

a(n) = 27·n² - 21·n + 6 (n>=1). A304164

Number of idempotent 4 X 4 0..n matrices of rank 1. A224526

Number of (n+2)X(1+2) 0..2 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 34. A234834

Number of (n+2)X(2+2) 0..2 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 34. A234835

Number of chordless cycles in the n X n torus grid graph. A297669

Numbers n such that xⁿ + x⁵ + x⁴ + x³ + x² + x + 1 is irreducible over GF(2). A57484

First differences of indices of A000043. A135701

Number of permutations of 1..n with all differences of elements separated by distances 1 through 6 being respectively unique. A170812

Diagonal of the rational function 1/(1 - v·w*x·y*z * (1 + 1/v + 1/w + 1/x + 1/y + 1/z)). A361636