Properties of the Number -166365

One Hundred Sixty-Six Thousand Three Hundred Sixty-Five

Basics

Value: -166366 → -166365 → -166364

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 3697

Divisors: 1, 3, 5, 9, 15, 45, 3697, 11091, 18485, 33273

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000100111011101

Octal: -504735

Duodecimal: -80339

Hexadecimal: -289dd

Square: 27677313225

Square Root: 407.87865842674336

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

a(n) = ∑_k=0..n binomial(2·k,k) * binomial(2·n-k-1,n-k). A386940

Concatenation of primitive Pythagorean triangles, sorted. A138043