λ
Sequence Observatory

3,125,984

25 × 97687
Deficient Even Composite

Starting at 3,125,984, the Collatz iteration reaches 1 after 107 steps. The first transition is 1562992; the starting value is even with 12 positive divisors.

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Prime Factor Structure

Factorization String 2^5 × 97687
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 6,154,344
Proper Divisor Sum 3,028,360
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #3125959 ← → #3125989

Radix Representation

Decimal 3125984
Binary 1011111011001011100000 (22 bits)
Octal 0o13731340
Hexadecimal 0x2FB2E0

Divisor Catalog (5 of 12)

1 2 4 8 16

Collatz Trajectory (107 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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