Properties of the Number -168289

One Hundred Sixty-Eight Thousand Two Hundred Eighty-Nine

Basics

Value: -168290 → -168289 → -168288

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 11 × 15299

Divisors: 1, 11, 15299, 168289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101001000101100001

Octal: -510541

Duodecimal: -81481

Hexadecimal: -29161

Square: 28321187521

Square Root: 410.23042305514105

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

Numerators of continued fraction convergents to sqrt(331). A41624

Expansion of g.f. A(x) satisfying A(x) = x + x² + (A(x)³ + 2·A(x³))/3. A375438

Number of 8Xn -1,1 arrays such that the sum over i=1..8,j=1..n of i·x(i,j) is zero, the sum of x(i,j) is zero, and rows are nondecreasing (number of ways to distribute n-across galley oarsmen left-right at 8 fore-aft positions so that there are no turning moments on the ship). A225348