Properties of the Number -185685

One Hundred Eighty-Five Thousand Six Hundred Eighty-Five

Basics

Value: -185686 → -185685 → -185684

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 12379

Divisors: 1, 3, 5, 15, 12379, 37137, 61895, 185685

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101010101010101

Octal: -552525

Duodecimal: -8B559

Hexadecimal: -2d555

Square: 34478919225

Square Root: 430.9118239268911

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

Array A read by upward antidiagonals in which the entry A(n,k) in row n and column k is defined by A(n, k) = 4ⁿ*(6·k - 3 - 2*(-1)ⁿ) + (4ⁿ - 1)/3, n,k >= 1. A371100

a(n) = 4·a(n-1) + 1, a(1)=11. A72262

Decimal representation of the middle column of the "Rule 59" elementary cellular automaton starting with a single ON (black) cell. A266721

Numbers n for which one step of the Collatz iteration (3n+1)/2^r gives rise to values 59,53,47,41,35,29,23,17,11 and 5 for r=1,3,5,..,19. A72253