Properties of the Number 66439

Sixty-Six Thousand Four Hundred Thirty-Nine

Basics

Value: 66438 → 66439 → 66440

Parity: odd

Prime: No

Previous Prime: 66431

Next Prime: 66449

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 29 ² × 79

Divisors: 1, 29, 79, 841, 2291, 66439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001110000111

Octal: 201607

Duodecimal: 32547

Hexadecimal: 10387

Square: 4414140721

Square Root: 257.7576381021521

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

Partial sums of A255743. A255764

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

a(n) = 8ⁿ mod n. A66439