Properties of the Number -209449

Two Hundred Nine Thousand Four Hundred Forty-Nine

Basics

Value: -209450 → -209449 → -209448

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 209449

Divisors: 1, 209449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011001000101001

Octal: -631051

Duodecimal: -A1261

Hexadecimal: -33229

Square: 43868883601

Square Root: 457.6559843375808

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 length n 1..(1+1) arrays with every leading partial sum divisible by 2, 3 or 5. A254820

Primes of the form k!3 + 3², where k!3 is the triple factorial number (A007661). A288878

a(n) = floor(n·2*(3ⁿ-2ⁿ)/2ⁿ). A139754