Properties of the Number -213402

Two Hundred Thirteen Thousand Four Hundred Two

Basics

Value: -213403 → -213402 → -213401

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 5081

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 5081, 10162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100000110011010

Octal: -640632

Duodecimal: -A35B6

Hexadecimal: -3419a

Square: 45540413604

Square Root: 461.95454321826946

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

Consider the base-8 Kaprekar map n->K(n) defined in A165090. Sequence gives numbers belonging to cycles, including fixed points. A165095

List of fixed points of the base-8 Kaprekar map A165090. A165094

Smallest member of cycle corresponding to n-th term of A165107. A165108

Consider the base-8 Kaprekar map n->K(n) defined in A165090. Sequence gives least elements of each cycle, including fixed points. A165099

G.f. A(x) satisfies: x = ∑_n>=1 1/A(x)^8·n * ∏_k=1..n (1 - 1/A(x)^2·k-1). A214694

E.g.f.: ∑_n>=0 a(n)*xⁿ/n! = {∑_n>=0 F(n+1)*xⁿ/n!}², where F(n) is the n-th Fibonacci number. A81057

a(n) = 484·n² - 2·n. A158329