Properties of the Number 28522

Twenty-Eight Thousand Five Hundred Twenty-Two

Basics

Value: 28521 → 28522 → 28523

Parity: even

Prime: No

Previous Prime: 28517

Next Prime: 28537

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 13 × 1097

Divisors: 1, 2, 13, 26, 1097, 2194, 14261, 28522

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111101101010

Octal: 67552

Duodecimal: 1460A

Hexadecimal: 6f6a

Square: 813504484

Square Root: 168.88457596832222

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+1)X(k+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors. A205894

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant. A186536

Number of (n+1)X2 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant. A186528

Number of (n+1)X5 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant. A186531

Number of (n+1)X5 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors. A205890

Duplicate of A007246. A28522