λ
Ratio Atlas

6,609,989

6609989
Deficient Odd Prime

6,609,989 factors as 6609989. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 209 steps.

Prime Factor Structure

Factorization String 6609989
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,609,990
Proper Divisor Sum 1
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #6609973 ← → #6610049

Radix Representation

Decimal 6609989
Binary 11001001101110001000101 (23 bits)
Octal 0o31156105
Hexadecimal 0x64DC45

Divisor Catalog (2)

Collatz Trajectory (209 steps to reach 1)

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

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