Properties of the Number -206742

Two Hundred Six Thousand Seven Hundred Forty-Two

Basics

Value: -206743 → -206742 → -206741

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 34457

Divisors: 1, 2, 3, 6, 34457, 68914, 103371, 206742

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010011110010110

Octal: -623626

Duodecimal: -9B786

Hexadecimal: -32796

Square: 42742254564

Square Root: 454.68890463700563

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 n X 2 binary arrays indicating whether each 2 X 2 subblock of a larger binary array has lexicographically increasing rows and columns, for some larger (n+1) X 3 binary array with rows and columns of the latter in lexicographically nondecreasing order. A227085

G.f. satisfies A(x) = 1 + x·A(x) / (1 - x³*A(x)⁴). A365756