Properties of the Number 68828

Sixty-Eight Thousand Eight Hundred Twenty-Eight

Basics

Value: 68827 → 68828 → 68829

Parity: even

Prime: No

Previous Prime: 68821

Next Prime: 68863

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 17207

Divisors: 1, 2, 4, 17207, 34414, 68828

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110011011100

Octal: 206334

Duodecimal: 339B8

Hexadecimal: 10cdc

Square: 4737293584

Square Root: 262.3509100422562

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..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26 (26 maximizes T(1,1)). A233724

Number of (n+1)X(1+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26. A233718

Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26. A233721

Geometrically weak primes: primes that are smaller than the geometric mean of their neighbors (2 is included by convention). A68828