Properties of the Number -20204

Twenty Thousand Two Hundred Four

Basics

Value: -20205 → -20204 → -20203

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5051

Divisors: 1, 2, 4, 5051, 10102, 20204

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100111011101100

Octal: -47354

Duodecimal: -B838

Hexadecimal: -4eec

Square: 408201616

Square Root: 142.1407752898513

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

Sum of 11 positive 9th powers. A4800

Preperiod (or threshold) of orbit of Post's {00, 1101} tag system applied to the word (100)ⁿ, or -1 if this word has an unbounded trajectory. A284119

Weighted count of partitions with distinct parts. A5895

Triangle read by rows: T(n,k) is the number of secondary structures of size n having k stacks of odd length (n>=0, k>=0). A202845

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 68 ones. A31836

a(n) = 3ⁿ + 2ⁿ + n. A120846

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2·n - 3 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2, and a(3) = 3. A49956

Numbers n such that n | 12ⁿ + 11ⁿ + 10ⁿ + 9ⁿ + 8ⁿ + 7ⁿ + 6ⁿ + 5ⁿ + 4ⁿ. A57285