λ
Ratio Atlas

212,305

5 × 42461
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 42461
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 254,772
Proper Divisor Sum 42,467
Digit Sum / Digital Root 13 (Root: 4)
Adjacent Primes #212297 ← → #212353

Radix Representation

Decimal 212305
Binary 110011110101010001 (18 bits)
Octal 0o636521
Hexadecimal 0x33D51

Divisor Catalog (4)

Collatz Trajectory (155 steps to reach 1)

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

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