Properties of the Number -128585

One Hundred Twenty-Eight Thousand Five Hundred Eighty-Five

Basics

Value: -128586 → -128585 → -128584

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 25717

Divisors: 1, 5, 25717, 128585

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11111011001001001

Octal: -373111

Duodecimal: -624B5

Hexadecimal: -1f649

Square: 16534102225

Square Root: 358.5875067539303

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 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A316376

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 589", based on the 5-celled von Neumann neighborhood. A283174

Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A316373

Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero. A316374