λ
Sequence Observatory

7,709,146

2 × 3854573
Deficient Even Composite

Starting at 7,709,146, the Collatz iteration reaches 1 after 217 steps. The first transition is 3854573; the starting value is even with 4 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3854573
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 11,563,722
Proper Divisor Sum 3,854,576
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #7709131 ← → #7709153

Radix Representation

Decimal 7709146
Binary 11101011010000111011010 (23 bits)
Octal 0o35320732
Hexadecimal 0x75A1DA

Divisor Catalog (4)

Collatz Trajectory (217 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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