λ
Sequence Observatory

9,139,679

41 × 222919
Deficient Odd Composite

Starting at 9,139,679, the Collatz iteration reaches 1 after 225 steps. The first transition is 27419038; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 41 × 222919
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 9,362,640
Proper Divisor Sum 222,961
Digit Sum / Digital Root 44 (Root: 8)
Adjacent Primes #9139661 ← → #9139687

Radix Representation

Decimal 9139679
Binary 100010110111010111011111 (24 bits)
Octal 0o42672737
Hexadecimal 0x8B75DF

Divisor Catalog (4)

Collatz Trajectory (225 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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