Properties of the Number 82680

Eighty-Two Thousand Six Hundred Eighty

Basics

Value: 82679 → 82680 → 82681

Parity: even

Prime: No

Previous Prime: 82657

Next Prime: 82699

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 13 × 53

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001011111000

Octal: 241370

Duodecimal: 3BA20

Hexadecimal: 142f8

Square: 6835982400

Square Root: 287.5413013812103

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

Integers·such that for some integer y we have uphi(x) = uphi(y) = x-y, where uphi(n) = A047994(n) is the unitary totient function: If n = Product p_i^e_i, uphi(n) = Product (p_i^e_i - 1). A67739

Numbers n such that n³ is the sum of three or more consecutive positive cubes. A97811

n·A027642(n). A164869

Polylogarithm li(-n,-5/7) multiplied by (12ⁿ⁺¹)/7. A213146

First bisection of A164869. A164877

Triangle read by rows: T(n,k) is the number of 2-stack sortable n-permutations with k runs. A82680

Numbers n such that the sum of n consecutive positive cubes is a cube for some initial starting number k. A240970