Properties of the Number 22047

Twenty-Two Thousand Forty-Seven

Basics

Value: 22046 → 22047 → 22048

Parity: odd

Prime: No

Previous Prime: 22039

Next Prime: 22051

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7349

Divisors: 1, 3, 7349, 22047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011000011111

Octal: 53037

Duodecimal: 10913

Hexadecimal: 561f

Square: 486070209

Square Root: 148.48232218011677

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

Partial sums of A299256. A299262

Triangular array read by rows, arising from enumeration of binary words containing n 0's and k 1's that avoid the pattern 1011101. A239103

Generalized Catalan Numbers x⁴*A(x)² -(1-x+x⁴+x⁵+x⁶)*A(x) + 1 =0. A23429

Indices of primes in the sequence defined by A(0) = 41, A(n) = 10·A(n-1) + 21 for n > 0. A101723

Vinogradov's number J_3,2(n). A281391

a(n) = ∑_d∣n lcm(σ(d), pod(d)) where σ(k) is the sum of divisors of k (A000203) and pod(k) is the product of divisors of k (A007955). A334794

Triangle read by rows, 1 <= k <= n: T(n,k) is the number of (unlabeled) connected graphs with n nodes and throttling number k. A343649

Detour index of the n-triangular grid graph. A288719

θ series of D₁₆ lattice. A22047

Trajectory of 34 under the "multiply with zero" rules explained in the Comments section. A365993