Properties of the Number 51682

Fifty-One Thousand Six Hundred Eighty-Two

Basics

Value: 51681 → 51682 → 51683

Parity: even

Prime: No

Previous Prime: 51679

Next Prime: 51683

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 25841

Divisors: 1, 2, 25841, 51682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100111100010

Octal: 144742

Duodecimal: 25AAA

Hexadecimal: c9e2

Square: 2671029124

Square Root: 227.3367546174617

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

Expansion of ∏_k>=0 (1 + x^5·k+4)^5·k+4. A285340

a(n) is the least k such that (k·prime(n)#)² + 1, ((k+1)*prime(n)#)² + 1 and ((k+2)*prime(n)#)² + 1 are 3 primes, where prime(n)# is the n-th primorial. A98765

11-gonal (or hendecagonal) numbers: a(n) = n*(9·n-7)/2. A51682