Properties of the Number -165308

One Hundred Sixty-Five Thousand Three Hundred Eight

Basics

Value: -165309 → -165308 → -165307

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 11 × 13 × 17 ²

Divisors: 1, 2, 4, 11, 13, 17, 22, 26, 34, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101000010110111100

Octal: -502674

Duodecimal: -7B7B8

Hexadecimal: -285bc

Square: 27326734864

Square Root: 406.5808652654475

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 orbits of length n under the map whose periodic points are counted by A001643. A60168

Even elements to the right of the central elements of the 5-Pascal triangle A028313. A28321

a(n) = Fibonacci(n) * Catalan(n). A119694

a(n) = (3·n+4)*binomial(n+7, 7)/4. A54487

Exponents f(n), n = 1, 2, ..., in the infinite product 1 - z - z² - z³ = ∏_n>=1 (1-zⁿ)^f(n). A125951

Number of (w,x,y,z) with all terms in {1,...,n} and w<=2x and y>=3z. A212515

a(n) = binomial(2n, n) + binomial(2n-1, n-1) + binomial(2n+1, n). A184937