Properties of the Number 28525

Twenty-Eight Thousand Five Hundred Twenty-Five

Basics

Value: 28524 → 28525 → 28526

Parity: odd

Prime: No

Previous Prime: 28517

Next Prime: 28537

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 7 × 163

Divisors: 1, 5, 7, 25, 35, 163, 175, 815, 1141, 4075

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111101101101

Octal: 67555

Duodecimal: 14611

Hexadecimal: 6f6d

Square: 813675625

Square Root: 168.89345754054537

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

Antidiagonal sums of the convolution array A213844. A213846

Triangle read by rows: T(0,0)=1; for n>=1 T(n,k) is the numerator of the coefficient of x^k in the characteristic polynomial of the matrix realizing the transformation to Jacobi coordinates for a system of n particles on a line. A223256

Steffensen's bracket function [n,n-3]. A241170

a(n) = floor(τ*a(n-1)) + floor(τ*a(n-2)) with a(0)=0 and a(1)=2. A5909

Character of extremal vertex operator algebra of rank 15.5. A28525