Properties of the Number 66004

Sixty-Six Thousand Four

Basics

Value: 66003 → 66004 → 66005

Parity: even

Prime: No

Previous Prime: 65993

Next Prime: 66029

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 29 × 569

Divisors: 1, 2, 4, 29, 58, 116, 569, 1138, 2276, 16501

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000111010100

Octal: 200724

Duodecimal: 32244

Hexadecimal: 101d4

Square: 4356528016

Square Root: 256.9124364447934

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

Irregular table read by rows: Take a diagonal-edged (or diamond-shaped) checkerboard with all diagonals drawn, as in A333434. Then T(n,k) = number of k-sided polygons in that figure for k >= 3. A333458

Sum over all subsets of {1,..,n} of the GCD of the subset. A65568

Row 4 of array in A047666. A47668

Sum of digits of 8ⁿ. A66004