Properties of the Number 28328

Twenty-Eight Thousand Three Hundred Twenty-Eight

Basics

Value: 28327 → 28328 → 28329

Parity: even

Prime: No

Previous Prime: 28319

Next Prime: 28349

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 3541

Divisors: 1, 2, 4, 8, 3541, 7082, 14164, 28328

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111010101000

Octal: 67250

Duodecimal: 14488

Hexadecimal: 6ea8

Square: 802475584

Square Root: 168.30923919975396

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 X n 0..k matrices whose square is also a 0..k matrix. A213990

T(n,k)=Number of (n+1)X(k+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 10 (10 maximizes T(1,1)). A234091

Number of 3-step knight's tours on an (n+2) X (n+2) board summed over all starting positions. A186852

G.f. A(x) satisfies: A(x)⁴ = (1-x) * (A(x) + x)³. A352413

Number of 3X3 0..n matrices whose square is also a 0..n matrix. A213992

Number of (n+1)X(1+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 10. A234084

Number of (n+1)X(4+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 10. A234087

Records in A171898. A309813

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (-1, 0, 1), (1, 0, 1), (1, 1, 0)}. A150384

Number of n X n 0..6 matrices whose square is also a 0..6 matrix. A213988