Properties of the Number 52840

Fifty-Two Thousand Eight Hundred Forty

Basics

Value: 52839 → 52840 → 52841

Parity: even

Prime: No

Previous Prime: 52837

Next Prime: 52859

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 1321

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1321, 2642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1100111001101000

Octal: 147150

Duodecimal: 266B4

Hexadecimal: ce68

Square: 2792065600

Square Root: 229.8695282111137

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

Number of 3:4:5 proportioned triangles on a (n+1)X(n+1) grid. A189972

Number of nondecreasing -n..n vectors of length 3 whose dot product with some nonincreasing -n..n vector equals 3. A226400

Number of examples for Simpson's paradox with data items in {0,1,...,n}. A281700

a(n) = ∑_{i=1..floor((n-1)/2)} i * (n-i)². A308038

a(n) = n·A029767(n-1). A52840