Properties of the Number 51826

Fifty-One Thousand Eight Hundred Twenty-Six

Basics

Value: 51825 → 51826 → 51827

Parity: even

Prime: No

Previous Prime: 51817

Next Prime: 51827

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 25913

Divisors: 1, 2, 25913, 51826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101001110010

Octal: 145162

Duodecimal: 25BAA

Hexadecimal: ca72

Square: 2685934276

Square Root: 227.6532450899833

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 subsets of {1..n} whose root mean square is an integer. A339454

Denominators of the convergents given by treating A072193 as continued fraction coefficients after the leading 0. A391715

E.g.f. A(x) satisfies: [x^n-1] A(x)^n⁴ = [xⁿ] A(x)^n⁴ for n>=1. A296174

Number of numbers below 10ⁿ with nonzero multiplicative digital root 6. A51826