λ
Ratio Atlas

16,509

3 × 5503
Deficient Odd Composite

Prime Factor Structure

Factorization String 3 × 5503
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 22,016
Proper Divisor Sum 5,507
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #16493 ← → #16519

Radix Representation

Decimal 16509
Binary 100000001111101 (15 bits)
Octal 0o40175
Hexadecimal 0x407D

Divisor Catalog (4)

Collatz Trajectory (172 steps to reach 1)

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

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