Properties of the Number 39504

Thirty-Nine Thousand Five Hundred Four

Basics

Value: 39503 → 39504 → 39505

Parity: even

Prime: No

Previous Prime: 39503

Next Prime: 39509

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁴ × 3 × 823

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001101001010000

Octal: 115120

Duodecimal: 1AA40

Hexadecimal: 9a50

Square: 1560566016

Square Root: 198.7561319808775

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

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least two elements with value (x(i,j)+1) mod 3, and upper left element zero. A230694

Number of n-bead necklace structures with beads of exactly four colors and no adjacent beads having the same color. A328130

a(0)=0, a(1)=1, a(n)=2·n*(a(n-1)+a(n-2)), n>1. A179540

Number of nX2 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A200984

Number of (n+2)X(2+2) 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least two elements with value (x(i,j)+1) mod 3, and upper left element zero. A230691

Odd numbers from A039501. A39504

Number of (n+1)X2 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum. A185610

Expansion of A(x) satisfying A(x) = Series_Reversion( x - x³ * A'(x)/A(x) ). A360579