Properties of the Number 28422

Twenty-Eight Thousand Four Hundred Twenty-Two

Basics

Value: 28421 → 28422 → 28423

Parity: even

Prime: No

Previous Prime: 28411

Next Prime: 28429

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1579

Divisors: 1, 2, 3, 6, 9, 18, 1579, 3158, 4737, 9474

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100000110

Octal: 67406

Duodecimal: 14546

Hexadecimal: 6f06

Square: 807810084

Square Root: 168.5882558187254

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

Indices of incrementally largest terms in the continued fraction for π. A33090

Number of multiset partitions of integer partitions of n with constant block sizes and constant block sums. A358835

Records in A353717. A353722

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (-1, 1, -1), (0, -1, 1), (1, 1, 0)}. A149199

Number of ways n can be properly factored. A28422

Values of m in the discriminant D = 4·m leading to a new minimum of the L-function of the Dirichlet series L(1) = ∑_k>0 Kronecker(D,k)/k. A3419

G.f. A(x) = lim_n->infinity (P(n) - 1)/(2·x)ⁿ, where P(1,x) = 1/sqrt(1-4·x), and P(n+1,x) = 1/sqrt(1 - 4·x + 4·x/P(n,x)) for n >= 1. A351509