Properties of the Number 39824

Thirty-Nine Thousand Eight Hundred Twenty-Four

Basics

Value: 39823 → 39824 → 39825

Parity: even

Prime: No

Previous Prime: 39821

Next Prime: 39827

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 19 × 131

Divisors: 1, 2, 4, 8, 16, 19, 38, 76, 131, 152

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001101110010000

Octal: 115620

Duodecimal: 1B068

Hexadecimal: 9b90

Square: 1585950976

Square Root: 199.55951493226274

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

Triangle T(n,k), n>=1, read by rows, where T(n,k) is the number of lattice polygons with area n and perimeter 2·k. A8855

Number of n-celled polygons with perimeter 2n on square lattice. A6726

Q-residue of the Delannoy triangle A008288, where Q is the triangular array (t(i,j)) given by t(i,j)=1. A193653

Triangle T(n,k), n>=1, 2<=k<=n+1, read by rows, where T(n,k) is the number of self-avoiding square-lattice polygons by area n and perimeter 2·k. A259857

Positions of 0 in A285657; complement of A285659. A285658

Number of different coefficient values in expansion of Product (1+q¹+q³...+q^2i-1), i=1 to n. A39824