Properties of the Number 39638

Thirty-Nine Thousand Six Hundred Thirty-Eight

Basics

Value: 39637 → 39638 → 39639

Parity: even

Prime: No

Previous Prime: 39631

Next Prime: 39659

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 19819

Divisors: 1, 2, 19819, 39638

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101011010110

Octal: 115326

Duodecimal: 1AB32

Hexadecimal: 9ad6

Square: 1571171044

Square Root: 199.09294311953903

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

Fixed point of "k -> k/2 or (k-1)/2 until result is prime", starting with prime(n)-1. A39638

Number of (n+1) X 6 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to the number of counterclockwise edge increases. A209514

Number of nX6 0..4 arrays with entries increasing mod 5 by 0, 1 or 2 rightwards and downwards, starting with upper left zero. A222167

Molien series for genus 2 complete weight enumerators of self-dual codes over GF(3) containing the all-ones vector. A92070