Properties of the Number -30409

Thirty Thousand Four Hundred Nine

Basics

Value: -30410 → -30409 → -30408

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 47 × 647

Divisors: 1, 47, 647, 30409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011011001001

Octal: -73311

Duodecimal: -15721

Hexadecimal: -76c9

Square: 924707281

Square Root: 174.38176510174452

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

Composite and every divisor (except 1) contains the digit 4. A62670

Expansion of (1-x+x²)/((1+x²)(1-4x+x²)). A99489

Numbers n such that n!!! - 3⁹ is prime, where n!3 = n!!! is a triple factorial number (A007661). A267029

a(n) = floor(C(4n,2n)/C(4n,n)). A24501