Properties of the Number 28516

Twenty-Eight Thousand Five Hundred Sixteen

Basics

Value: 28515 → 28516 → 28517

Parity: even

Prime: No

Previous Prime: 28513

Next Prime: 28517

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7129

Divisors: 1, 2, 4, 7129, 14258, 28516

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111101100100

Octal: 67544

Duodecimal: 14604

Hexadecimal: 6f64

Square: 813162256

Square Root: 168.86681142249356

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

Column 0 of triangle A152406; also, column 1 of matrix square of A152406. A152407

Triangle T, read by rows, where column k of T = column 0 of matrix power T^k+1 for k>0, with column 0 of T = column 1 of T² (shifted). A152406

Convolution of natural numbers n >= 1 with Fibonacci numbers F(k), for k >= 5. A37140

Expansion of A007245⁸. A28516