Properties of the Number -51828

Fifty-One Thousand Eight Hundred Twenty-Eight

Basics

Value: -51829 → -51828 → -51827

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7 × 617

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100101001110100

Octal: -145164

Duodecimal: -25BB0

Hexadecimal: -ca74

Square: 2686141584

Square Root: 227.65763769309387

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

For 1<=x<=n, 1<=y<=n with gcd(x,y)=1, write 1 = gcd(x,y) = u·x+v·y with u,v minimal; a(n) = m²*s, where s is the population variance of the values of |u| and m is the number of such values. A345694

A014486-indices of symmetric binary trees. A83940

G.f.: ∑_n>=0 xⁿ * (1 + xⁿ)ⁿ / (1 - xⁿ⁺¹)ⁿ⁺¹. A325046

Decimal part of a(n)^1/5 starts with a 'nine digits' anagram. A34280

Minimum value unattainable as the sum of 4 attained values of a·b*c with a,b,c 0..n integers. A225266