Properties of the Number -215047

Two Hundred Fifteen Thousand Forty-Seven

Basics

Value: -215048 → -215047 → -215046

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 31 × 991

Divisors: 1, 7, 31, 217, 991, 6937, 30721, 215047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100100000000111

Octal: -644007

Duodecimal: -A4547

Hexadecimal: -34807

Square: 46245212209

Square Root: 463.7316034086959

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) = 2ⁿ*∏_{k=1..floor((n-1)/2)} (1 + 2·cos(k*π/n)² + 4·cos(k*π/n)⁴). A152090

a(n) = ∏_{k=1..floor((n-1)/2)} (1 + 4·sin(k*π/n)² + 16·sin(k*π/n)⁴). A152142