Properties of the Number -217155

Two Hundred Seventeen Thousand One Hundred Fifty-Five

Basics

Value: -217156 → -217155 → -217154

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 31 × 467

Divisors: 1, 3, 5, 15, 31, 93, 155, 465, 467, 1401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101000001000011

Octal: -650103

Duodecimal: -A5803

Hexadecimal: -35043

Square: 47156294025

Square Root: 465.99892703739135

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

Coefficient of·in minimal polynomial of the continued fraction [1ⁿ,2,1,1,1,...], where 1ⁿ means n ones. A265762

a(n) = n*(n+1)*(n² + n + 4)/4. A61316

a(n) = F(n)*F(n+1) mod L(n+2) where F=A000045 is the Fibonacci numbers and L = A000032 is the Lucas numbers. A348592