λ
Ratio Atlas

831,639

3 × 277213
Deficient Odd Composite

831,639 factors as 3 × 277213. Its 4 positive divisors give a proper-divisor sum of 277,217, so this integer is deficient. The Collatz stopping time is 144 steps.

Prime Factor Structure

Factorization String 3 × 277213
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,108,856
Proper Divisor Sum 277,217
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #831631 ← → #831643

Radix Representation

Decimal 831639
Binary 11001011000010010111 (20 bits)
Octal 0o3130227
Hexadecimal 0xCB097

Divisor Catalog (4)

Collatz Trajectory (144 steps to reach 1)

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

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