Properties of the Number 68966

Sixty-Eight Thousand Nine Hundred Sixty-Six

Basics

Value: 68965 → 68966 → 68967

Parity: even

Prime: No

Previous Prime: 68963

Next Prime: 68993

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 34483

Divisors: 1, 2, 34483, 68966

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110101100110

Octal: 206546

Duodecimal: 33AB2

Hexadecimal: 10d66

Square: 4756309156

Square Root: 262.6137848628666

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

Expansion of (1+x)/(1-x-4·x²). A26597

a(n) = 4·a(n-2) - a(n-1), with a(0)=1, a(1)=-2. A122112

Number of length n arrays of permutations of 0..n-1 with each element moved by -n to n places and every three consecutive elements having its maximum within 5 of its minimum. A263745

Areas of integer Heronian triangles [prime(A068964(n)), prime(A068964(n)+1), A068965(n)]. A68966

Array read by antidiagonals: Numerical sequences of Fibonacci-like polynomials produced by m-ary Huffman trees of maximum height for absolutely ordered sequences. A98805