λ
Ratio Atlas

644,109

3 × 53 × 4051
Deficient Odd Composite

Prime Factor Structure

Factorization String 3 × 53 × 4051
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 875,232
Proper Divisor Sum 231,123
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #644107 ← → #644117

Radix Representation

Decimal 644109
Binary 10011101010000001101 (20 bits)
Octal 0o2352015
Hexadecimal 0x9D40D

Divisor Catalog (8)

Collatz Trajectory (123 steps to reach 1)

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

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