λ
Ratio Atlas

2,005,405

5 × 17 × 23593
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 17 × 23593
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,548,152
Proper Divisor Sum 542,747
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #2005397 ← → #2005417

Radix Representation

Decimal 2005405
Binary 111101001100110011101 (21 bits)
Octal 0o7514635
Hexadecimal 0x1E999D

Divisor Catalog (8)

Collatz Trajectory (140 steps to reach 1)

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

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