Properties of the Number 50811

Fifty Thousand Eight Hundred Eleven

Basics

Value: 50810 → 50811 → 50812

Parity: odd

Prime: No

Previous Prime: 50789

Next Prime: 50821

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 16937

Divisors: 1, 3, 16937, 50811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011001111011

Octal: 143173

Duodecimal: 254A3

Hexadecimal: c67b

Square: 2581757721

Square Root: 225.41295437485397

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

Numbers n such that m=(n²+1)/2, p=(m²+1)/2 and q=(p²+1)/2 are all prime. A188546

Number of n-digit twin prime pairs. A70076

Maximal coefficient of (1 + x) * (1 + x¹⁶) * (1 + x⁸¹) * ... * (1 + x^n⁴). A359320

Least k such that ∑_i=1..k 1/φ(i) >= n. A74467

Semiprimes p·q such that p·q+p+q, p·q-(p+q), p·q+2*(p+q) and p·q-2*(p+q) are all primes. A356765

Partition numbers rounded to nearest integer given by the Hardy-Ramanujan approximate formula. A50811

a(1) = 1, a(2) = 3; for n > 2, a(n) is the smallest unused positive number such that a(n) shares a factor with a(n-1) and (a(n) AND a(n-1)) = min(a(n), a(n-1)), where AND is the binary AND operation. A375889