Properties of the Number 66489

Sixty-Six Thousand Four Hundred Eighty-Nine

Basics

Value: 66488 → 66489 → 66490

Parity: odd

Prime: No

Previous Prime: 66467

Next Prime: 66491

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 37 × 599

Divisors: 1, 3, 37, 111, 599, 1797, 22163, 66489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001110111001

Octal: 201671

Duodecimal: 32589

Hexadecimal: 103b9

Square: 4420787121

Square Root: 257.85461019729706

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

In the ternary π race between digits zero and one, where the race leader changes. A278974

Number of n X 8 binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally. A188865

Number of regions in a polygon whose boundary consists of n+2 equally spaced points around the arc of a semicircle. See Comments for precise definition. A333643

Number of partitions satisfying (cn(0,5) <= cn(2,5) and cn(0,5) <= cn(3,5) and cn(0,5) <= cn(1,5) and cn(0,5) <= cn(4,5)). A36801

Numbers whose base-3 representation has exactly 11 runs. A43591

Numbers n such that number of runs in the base 3 representation of n is congruent to 1 mod 10. A43816

Binary expansion of n followed by its reverse complement. A66489