Properties of the Number 43238

Forty-Three Thousand Two Hundred Thirty-Eight

Basics

Value: 43237 → 43238 → 43239

Parity: even

Prime: No

Previous Prime: 43237

Next Prime: 43261

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 13 × 1663

Divisors: 1, 2, 13, 26, 1663, 3326, 21619, 43238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010100011100110

Octal: 124346

Duodecimal: 21032

Hexadecimal: a8e6

Square: 1869524644

Square Root: 207.9374906071534

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

Triangle read by rows: T(n, k) = ∑_j=0..n binomial(-j-1, -n-1)*S1(j, k) where S1 are the Stirling cycle numbers A132393. A269953

Total number of colors used in all colored integer partitions of n where all colors from an initial interval of the color palette are used and parts differ by size or by color. A325915

a(n) = 64·n² - n. A157948

a(n) = 256·n² - 2·n. A158249

a(n) = 676·n² - 26. A158639

Expansion of e.g.f. -log(1-x)³ * exp(-x) / 6. A381065

Numbers n such that n | 10ⁿ + 9ⁿ + 1. A57295

a(n) = floor(2ⁿ*log(n)). A94939

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, 0, 1), (1, 1, -1), (1, 1, 0)}. A150588

Numbers k such that 2 and 8 occur juxtaposed in the base-10 representation of k but not of k-1. A43238