Properties of the Number -213669

Two Hundred Thirteen Thousand Six Hundred Sixty-Nine

Basics

Value: -213670 → -213669 → -213668

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 23741

Divisors: 1, 3, 9, 23741, 71223, 213669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100001010100101

Octal: -641245

Duodecimal: -A3799

Hexadecimal: -342a5

Square: 45654441561

Square Root: 462.24344235478344

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

Expansion of x*(1 - 3·x + x²) / (1 - x - 2·x² + x³). A122161

Number of lower triangles of a 4 X 4 0..n array with no element differing from any of its horizontal or vertical neighbors by more than one. A194933