λ
Ratio Atlas

3,215,809

3215809
Deficient Odd Prime

3,215,809 factors as 3215809. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 239 steps.

Prime Factor Structure

Factorization String 3215809
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 3,215,810
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3215789 ← → #3215819

Radix Representation

Decimal 3215809
Binary 1100010001000111000001 (22 bits)
Octal 0o14210701
Hexadecimal 0x3111C1

Divisor Catalog (2)

Collatz Trajectory (239 steps to reach 1)

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

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