Properties of the Number -200661

Two Hundred Thousand Six Hundred Sixty-One

Basics

Value: -200662 → -200661 → -200660

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 211 × 317

Divisors: 1, 3, 211, 317, 633, 951, 66887, 200661

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000111111010101

Octal: -607725

Duodecimal: -98159

Hexadecimal: -30fd5

Square: 40264836921

Square Root: 447.952006357824

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

Triangular numbers whose external digits as well as internal digits form triangular numbers. A77368

Hexagonal numbers for which both the sum of the digits and the product of the digits are also hexagonal numbers. A117064

Triangular numbers T such that T+10 is the next prime after T. A129540