λ
Ratio Atlas

644,522

2 × 322261
Deficient Even Composite

Prime Factor Structure

Factorization String 2 × 322261
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 966,786
Proper Divisor Sum 322,264
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #644519 ← → #644531

Radix Representation

Decimal 644522
Binary 10011101010110101010 (20 bits)
Octal 0o2352652
Hexadecimal 0x9D5AA

Divisor Catalog (4)

Collatz Trajectory (141 steps to reach 1)

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

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