λ
Ratio Atlas

856,343

856343
Deficient Odd Prime

856,343 factors as 856343. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 74 steps.

Prime Factor Structure

Factorization String 856343
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 856,344
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #856333 ← → #856351

Radix Representation

Decimal 856343
Binary 11010001000100010111 (20 bits)
Octal 0o3210427
Hexadecimal 0xD1117

Divisor Catalog (2)

Collatz Trajectory (74 steps to reach 1)

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

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