λ
Sigma Notebook

11,609

13 × 19 × 47
Deficient Odd Composite

11,609 is odd and not a perfect square. Its factorization is 13 × 19 × 47 and its 8 divisors sum to 13,440.

Prime Factor Structure

Factorization String 13 × 19 × 47
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 13,440
Proper Divisor Sum 1,831
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #11597 ← → #11617

Radix Representation

Decimal 11609
Binary 10110101011001 (14 bits)
Octal 0o26531
Hexadecimal 0x2D59

Divisor Catalog (8)

Collatz Trajectory (143 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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