Properties of the Number -181557

One Hundred Eighty-One Thousand Five Hundred Fifty-Seven

Basics

Value: -181558 → -181557 → -181556

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 20173

Divisors: 1, 3, 9, 20173, 60519, 181557

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101100010100110101

Octal: -542465

Duodecimal: -89099

Hexadecimal: -2c535

Square: 32962944249

Square Root: 426.0950598164687

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

T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally. A188851

Number of nX4 binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally. A188846

Number of 6Xn binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally. A188855