Properties of the Number 31046

Thirty-One Thousand Forty-Six

Basics

Value: 31045 → 31046 → 31047

Parity: even

Prime: No

Previous Prime: 31039

Next Prime: 31051

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 19 ² × 43

Divisors: 1, 2, 19, 38, 43, 86, 361, 722, 817, 1634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100101000110

Octal: 74506

Duodecimal: 15B72

Hexadecimal: 7946

Square: 963854116

Square Root: 176.19875141441838

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

Maximal length of rook tour on an n X n board. A6071

Maximal length of rook tour on an n X n+2 board. A152133

Pseudo-random numbers: Davenport's generator for 32-bit integers. A84277

G.f.: -2*(-2 - 11·x - 4·x² + x³)/(x - 1)⁴. A152110

Radicands of pure cubic number fields of type β and subtype M0. A363699

Rhombi (in 3 different orientations) in a rhombus with 60-degree acute angles. A52153

a(0) = 1; a(n) = n! * ∑_k=1..n binomial(n-1,k-1) * (k-1)! * H(k) * a(n-k) / (n-k)!, where H(k) is the k-th harmonic number. A336289

θ series of A*_18 lattice. A23930

Position of n-th 0 in A031045. A31046