Properties of the Number 6429

Six Thousand Four Hundred Twenty-Nine

Basics

Value: 6428 → 6429 → 6430

Parity: odd

Prime: No

Previous Prime: 6427

Next Prime: 6449

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 2143

Divisors: 1, 3, 2143, 6429

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100011101

Octal: 14435

Duodecimal: 3879

Hexadecimal: 191d

Square: 41332041

Square Root: 80.18104514160439

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

a(n) is the solution to the postage stamp problem with n denominations and 4 stamps. A1214

a(n) = A134955(n) - A134955(n-1). Number of hyperforests spanning n unlabeled nodes without isolated vertices. A144959

Sum of products of factorials of parts in all partitions of n. A77365

Triangle read by rows: T(n,k) = number of step shifted (decimated) sequence structures of length n using exactly k different symbols. A288620

Triangle T(n,m) of number of labeled n-node T₀-hypergraphs with m distinct hyperedges (empty hyperedge excluded), m=0,1,...,2ⁿ-1. A59087

Partial sums of A224613. A365446

Number of pairs of antipodal vertices in the level n Hanoi graph. A375256

Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood. A258448

a(n) = n⁴ + (9/2)*n³ + n² - (9/2)*n + 1. A3878

a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0, |s(i) - s(i-1)| = 1 for i = 1,2; |s(i) - s(i-1)| <= 1 for i >= 3, s(n) = 3. Also a(n) = T(n,n-3), where T is the array defined in A024996. A26070