λ
Ratio Atlas

428,206

2 × 251 × 853
Deficient Even Composite

428,206 factors as 2 × 251 × 853. Its 8 positive divisors give a proper-divisor sum of 217,418, so this integer is deficient. The Collatz stopping time is 50 steps.

Prime Factor Structure

Factorization String 2 × 251 × 853
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 645,624
Proper Divisor Sum 217,418
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #428177 ← → #428221

Radix Representation

Decimal 428206
Binary 1101000100010101110 (19 bits)
Octal 0o1504256
Hexadecimal 0x688AE

Divisor Catalog (8)

Collatz Trajectory (50 steps to reach 1)

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

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