Properties of the Number 6434

Six Thousand Four Hundred Thirty-Four

Basics

Value: 6433 → 6434 → 6435

Parity: even

Prime: No

Previous Prime: 6427

Next Prime: 6449

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 3217

Divisors: 1, 2, 3217, 6434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100100010

Octal: 14442

Duodecimal: 3882

Hexadecimal: 1922

Square: 41396356

Square Root: 80.2122185206219

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 compositions of n into nonprime numbers. A52284

a(n) = binomial(2n+1, n+1) - 1. A10763

Central binomial coefficient - 1. A14495

Number T(n,k) of length 2n words such that all letters of the k-ary alphabet occur at least once and are introduced in ascending order and which can be built by repeatedly inserting doublets into the initially empty word; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A256117

a(n) is the number of divisors of n-th even perfect number. A61645

Positive integers n such that n¹⁴ + 1 is semiprime (A001358). A104335

Number T(n,k) of standard Young tableaux for partitions of n into exactly k distinct parts; triangle T(n,k), n>=0, 0<=k<=A003056(n), read by rows. A219311

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-1) or (-2,0) and new values introduced in order 0..2. A274895

Number of compositions of n into 8 ordered relatively prime parts. A23033

Sum of reciprocals of digits = 1. A37268