Properties of the Number 51751

Fifty-One Thousand Seven Hundred Fifty-One

Basics

Value: 51750 → 51751 → 51752

Parity: odd

Prime: No

Previous Prime: 51749

Next Prime: 51767

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 7393

Divisors: 1, 7, 7393, 51751

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101000100111

Octal: 145047

Duodecimal: 25B47

Hexadecimal: ca27

Square: 2678166001

Square Root: 227.4884612458399

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

a(n) = n⁴ + 5·n² + 1. A82113

E.g.f.: exp(1-sqrt(1-2·x-4·x²)). A144576

Numerators of expansion of exp(1-sqrt(1-x-x²)). A144579

G.f.: ∏_k>=1 (1 + x^k) / (1 - x^k*(k+1/2)). A280422

Number of triangular n X n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-2. A211899

Number of n X n symmetric binary arrays with rows, considered as binary numbers, in strictly increasing order, and no more than 3 ones in any row. A162093

Cubes arising in A051750. A51751

Denominators of expansion of exp(1-sqrt(1-x-x²)). A144580