Properties of the Number -19828

Nineteen Thousand Eight Hundred Twenty-Eight

Basics

Value: -19829 → -19828 → -19827

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 4957

Divisors: 1, 2, 4, 4957, 9914, 19828

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110101110100

Octal: -46564

Duodecimal: -B584

Hexadecimal: -4d74

Square: 393149584

Square Root: 140.81193131265547

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 that are the sum of eight fourth powers in eight or more ways. A345583

Numbers that are the sum of eight fourth powers in exactly eight ways. A345840

Number of conjugacy classes of primitive elements in GF(5ⁿ) which have trace 0. A192508

Number of partitions of 2n free of multiples of 5. All odd parts occur with multiplicity 2 or 4. the even parts occur at most twice. A103257

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 80 ones. A31848

a(j) = maximum value of n for each distinct increasing value of (Sum of the quadratic non-residues of prime(n) - Sum of the quadratic residues of prime(n)) / prime(n) for each j. A166263

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood. A272155