λ
Ratio Atlas

856,213

856213
Deficient Odd Prime

Prime Factor Structure

Factorization String 856213
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 856,214
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #856187 ← → #856237

Radix Representation

Decimal 856213
Binary 11010001000010010101 (20 bits)
Octal 0o3210225
Hexadecimal 0xD1095

Divisor Catalog (2)

Collatz Trajectory (219 steps to reach 1)

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

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