Properties of the Number 6443

Six Thousand Four Hundred Forty-Three

Basics

Value: 6442 → 6443 → 6444

Parity: odd

Prime: No

Previous Prime: 6427

Next Prime: 6449

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 17 × 379

Divisors: 1, 17, 379, 6443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100101011

Octal: 14453

Duodecimal: 388B

Hexadecimal: 192b

Square: 41512249

Square Root: 80.26830009412184

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

Discriminants of imaginary quadratic fields with class number 26 (negated). A351664

T(n,k)=Number of nXk 0..2 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors. A232023

Sum of reciprocals of digits = 1. A37268

Numbers k such that the digits of k³ occur with the same frequency. A52047

Numbers k such that k³ is a cube whose digits occur with an equal minimum frequency of 2. A52051

Edge length of largest square dissectable into up to n squares in Mrs. Perkins's quilt problem. A89047

a(n)*π is the total length of irregular spiral (center points: 1, 2, 3, 4) after n rotations. A235088

Numbers n such that the digits of σ(n) are exactly the same (albeit in different order) as the digits of φ(n), in base 10. A175795

Numbers n such that 4n + 1, 4n + 2 and 4n + 3 are not squarefree. A258332

In the binary race of π, where the race leader changes. A278920