Properties of the Number 68018

Sixty-Eight Thousand Eighteen

Basics

Value: 68017 → 68018 → 68019

Parity: even

Prime: No

Previous Prime: 67993

Next Prime: 68023

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 71 × 479

Divisors: 1, 2, 71, 142, 479, 958, 34009, 68018

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100110110010

Octal: 204662

Duodecimal: 33442

Hexadecimal: 109b2

Square: 4626448324

Square Root: 260.8026073489297

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

Weighted count of partitions with distinct parts. A5895

A Fielder sequence: a(n) = a(n-1) + a(n-2) - a(n-6), n >= 7. A1635

Expansion of ψ(-x³) / φ(-x) in powers of·where ψ(), φ() are Ramanujan θ functions. A132218

Expansion of log(1+log(1+x)/cosh(x)). A9323

Number of fixed points in all 132- and 213-avoiding permutations of {1,2,...,n} (these are permutations with runs consisting of consecutive integers). A68018