Properties of the Number -209431

Two Hundred Nine Thousand Four Hundred Thirty-One

Basics

Value: -209432 → -209431 → -209430

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 209431

Divisors: 1, 209431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011001000010111

Octal: -631027

Duodecimal: -A1247

Hexadecimal: -33217

Square: 43861343761

Square Root: 457.63631848881926

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

First member of a prime 5-tuple in a 2p-1 progression. A57328

Larger of two consecutive prime numbers, p1 and p2 = p1 + d, such that p1·p2·d - d is the average of twin primes. A153379

Primes starting a Cunningham chain of the second kind of length 5. A110022

Smallest primes starting a complete four iterations Cunningham chain of the first or second kind. A110027

Centered 13-gonal (or tridecagonal) primes. A262493

Primes of the form k!3-9, where k!3 is the triple factorial number (A007661). A289817