Properties of the Number 68589

Sixty-Eight Thousand Five Hundred Eighty-Nine

Basics

Value: 68588 → 68589 → 68590

Parity: odd

Prime: No

Previous Prime: 68581

Next Prime: 68597

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7621

Divisors: 1, 3, 9, 7621, 22863, 68589

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101111101101

Octal: 205755

Duodecimal: 33839

Hexadecimal: 10bed

Square: 4704450921

Square Root: 261.895017134729

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 nXk 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302265

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302808

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302965

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303469

Number of 2Xn 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302266

Denominator(∑_i=1..n 1/i³)/denominator(∑_i=1..n 1/i). A68589