Properties of the Number -286209

Two Hundred Eighty-Six Thousand Two Hundred Nine

Basics

Value: -286210 → -286209 → -286208

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 11 × 59

Divisors: 1, 3, 7, 9, 11, 21, 33, 49, 59, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1000101111000000001

Octal: -1057001

Duodecimal: -119769

Hexadecimal: -45e01

Square: 81915591681

Square Root: 534.9850465199938

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 tilings of an equilateral triangle of side length n with unit triangles (of side length 1) and exactly two unit "lozenges" or "diamonds" (also of side length 1). A326367

Indices of 9-gonal numbers which are also octagonal. A48922