Properties of the Number 6409

Six Thousand Four Hundred Nine

Basics

Value: 6408 → 6409 → 6410

Parity: odd

Prime: No

Previous Prime: 6397

Next Prime: 6421

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 × 17 × 29

Divisors: 1, 13, 17, 29, 221, 377, 493, 6409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100001001

Octal: 14411

Duodecimal: 3861

Hexadecimal: 1909

Square: 41075281

Square Root: 80.05623023850174

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

Decimal form of binary integer produced by the ON cells at n-th generation following Wolfram's Rule 30 cellular automaton starting from a single ON-cell represented as 1. A110240

Numbers m that are the hypotenuse of exactly 13 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 13 ways. A97102

a(n) = n*(11·n + 3)/2. A254963

Numerators of squared radii of circumcircles of non-degenerate triangles with integer vertex coordinates. A192493

T(n,k)=Number of length n+2 0..k arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero. A253129

a(1) = 4; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46254

House numbers: a(n) = (n+1)³ + ∑_i=1..n i². A51662

Number of orbits of length n under the map whose periodic points are counted by A001641. A60166

Odd interprimes divisible by 13. A124619

Odd interprimes divisible by 17. A124620