Properties of the Number -217379

Two Hundred Seventeen Thousand Three Hundred Seventy-Nine

Basics

Value: -217380 → -217379 → -217378

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 17 × 19 × 673

Divisors: 1, 17, 19, 323, 673, 11441, 12787, 217379

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101000100100011

Octal: -650443

Duodecimal: -A596B

Hexadecimal: -35123

Square: 47253629641

Square Root: 466.23920899040655

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 ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>0. A211545

a(0) = a(1) = a(2) = a(3) = 1; thereafter a(n) = a(n-1) + a(n-2) + a(n-4). A307677

Expansion of x * (x+1) * (x³-x²-1) / ((x²+1) * (x³+x²-1)). A122519