Properties of the Number -231809

Two Hundred Thirty-One Thousand Eight Hundred Nine

Basics

Value: -231810 → -231809 → -231808

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 231809

Divisors: 1, 231809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111000100110000001

Octal: -704601

Duodecimal: -B2195

Hexadecimal: -38981

Square: 53735412481

Square Root: 481.46547124378503

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

Primes that remain prime through 4 iterations of function f(x) = 7x + 6. A23318

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 147", based on the 5-celled von Neumann neighborhood. A270291