Properties of the Number 68882

Sixty-Eight Thousand Eight Hundred Eighty-Two

Basics

Value: 68881 → 68882 → 68883

Parity: even

Prime: No

Previous Prime: 68881

Next Prime: 68891

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 11 × 31 × 101

Divisors: 1, 2, 11, 22, 31, 62, 101, 202, 341, 682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110100010010

Octal: 206422

Duodecimal: 33A42

Hexadecimal: 10d12

Square: 4744729924

Square Root: 262.45380545917027

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

Number of length 3 arrays x(i), i=1..3 with x(i) in i..i+n and no value appearing more than 2 times. A250352

Coefficients in asymptotic expansion of sequence A309618. A326983

a(n) = F(n+2) - 2^[ (n+1)/2 ] - 2^[ n/2 ] + 1. A5673

Triangular numbers with property that digits alternate in parity. A68882

a(n) = ∑_{k=0..floor(n/2)} k! * 2^k * (n - 2·k)!. A309618