Properties of the Number 66682

Sixty-Six Thousand Six Hundred Eighty-Two

Basics

Value: 66681 → 66682 → 66683

Parity: even

Prime: No

Previous Prime: 66653

Next Prime: 66683

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 11 × 433

Divisors: 1, 2, 7, 11, 14, 22, 77, 154, 433, 866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010001111010

Octal: 202172

Duodecimal: 3270A

Hexadecimal: 1047a

Square: 4446489124

Square Root: 258.2285809123382

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 partitions of n into parts not of the form 23k, 23k+11 or 23k-11. Also number of partitions with at most 10 parts of size 1 and differences between parts at distance 10 are greater than 1. A35999

G.f. satisfies A(x) = -(A(x³) + A(x⁴)) / A(-x²). A385915

Indices of badly sieved numbers: a(n) = k if n = A066680(k), otherwise 0. A66682