Properties of the Number 66309

Sixty-Six Thousand Three Hundred Nine

Basics

Value: 66308 → 66309 → 66310

Parity: odd

Prime: No

Previous Prime: 66301

Next Prime: 66337

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 23 × 31 ²

Divisors: 1, 3, 23, 31, 69, 93, 713, 961, 2139, 2883

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001100000101

Octal: 201405

Duodecimal: 32459

Hexadecimal: 10305

Square: 4396883481

Square Root: 257.50533975046034

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 such that (greatest part) + (least part) > number of parts. A237870

Enneagonal numbers for which both the sum of the digits and the product of the digits are also enneagonal numbers. A117053

G.f. satisfies A(x) = 1/(1-x) + x³*(1-x)*A(x)³. A364595

Enneagonal numbers whose sum of digits is also enneagonal. A117051

Number of length 2+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero. A252178

Numbers k such that k > (product of digits of k) * (sum of digits of k). A66309