Properties of the Number 39681

Thirty-Nine Thousand Six Hundred Eighty-One

Basics

Value: 39680 → 39681 → 39682

Parity: odd

Prime: No

Previous Prime: 39679

Next Prime: 39703

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 4409

Divisors: 1, 3, 9, 4409, 13227, 39681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101100000001

Octal: 115401

Duodecimal: 1AB69

Hexadecimal: 9b01

Square: 1574581761

Square Root: 199.20090361240835

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 the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 645", based on the 5-celled von Neumann neighborhood. A273316

Odd Fibonacci-lucky numbers. A39681