Properties of the Number 51818

Fifty-One Thousand Eight Hundred Eighteen

Basics

Value: 51817 → 51818 → 51819

Parity: even

Prime: No

Previous Prime: 51817

Next Prime: 51827

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 × 1993

Divisors: 1, 2, 13, 26, 1993, 3986, 25909, 51818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101001101010

Octal: 145152

Duodecimal: 25BA2

Hexadecimal: ca6a

Square: 2685105124

Square Root: 227.63567382991621

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

Number of 1's in n-th term of A022482. A22484

G.f. A(x) satisfies: A(x)³ = x·A( A(x)² + A(x)³ ). A272485

Number of n-digit numbers with nonzero multiplicative digital root 7. A51818