λ
Sequence Observatory

9,148,505

5 × 1829701
Deficient Odd Composite

Starting at 9,148,505, the Collatz iteration reaches 1 after 80 steps. The first transition is 27445516; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 5 × 1829701
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,978,212
Proper Divisor Sum 1,829,707
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #9148501 ← → #9148523

Radix Representation

Decimal 9148505
Binary 100010111001100001011001 (24 bits)
Octal 0o42714131
Hexadecimal 0x8B9859

Divisor Catalog (4)

Collatz Trajectory (80 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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