Properties of the Number 50566

Fifty Thousand Five Hundred Sixty-Six

Basics

Value: 50565 → 50566 → 50567

Parity: even

Prime: No

Previous Prime: 50551

Next Prime: 50581

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 131 × 193

Divisors: 1, 2, 131, 193, 262, 386, 25283, 50566

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100010110000110

Octal: 142606

Duodecimal: 2531A

Hexadecimal: c586

Square: 2556920356

Square Root: 224.8688506663384

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

∑_k<=n (σ(k)²), where σ(k) denotes the sum of the divisors of k A000203. A72379

Vertex number of a rectangular spiral related to Fibonacci numbers and prime numbers. The distances between nearest edges of the spiral that are parallel to the initial edge are the Fibonacci numbers, while the distances between nearest edges perpendicular to the initial edge are the prime numbers. A160794

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 587", based on the 5-celled von Neumann neighborhood. A273079

Numbers n such that 81·2ⁿ-1 is prime. A50566