Properties of the Number 2439

Two Thousand Four Hundred Thirty-Nine

Basics

Value: 2438 → 2439 → 2440

Parity: odd

Prime: No

Previous Prime: 2437

Next Prime: 2441

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 271

Divisors: 1, 3, 9, 271, 813, 2439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110000111

Octal: 4607

Duodecimal: 14B3

Hexadecimal: 987

Square: 5948721

Square Root: 49.38623289946298

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 partitions of n into parts having a common factor. A18783

Numbers whose binary expansion generates rotationally symmetric XOR-triangles. A334556

Least k such that decimal representation of k·n contains only digits 0 and 9. A96688

Expansion of g.f.: x⁴/((1-x)*(1-x²)²*(1-x³)). A8763

a(n) = 90·n - 81. A139280

Number of integer partitions y of n such that y_i = y_i+1 for all even i. A351003

Number of compositions of n with all adjacent parts (x, y) satisfying x > 2y or y > 2x. A342332

Divisors of 9999999999. A27895

a(n) = a(n-1) + a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = a(3) = 1. A50025

Generalized Mancala solitaire (A002491); to get n-th term, start with n and successively round up to next 6 multiples of n-1, n-2, ..., 1. A113743