λ
Sequence Observatory

6,957,005

5 × 11 × 126491
Deficient Odd Composite

Starting at 6,957,005, the Collatz iteration reaches 1 after 85 steps. The first transition is 20871016; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 5 × 11 × 126491
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,107,424
Proper Divisor Sum 2,150,419
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #6957001 ← → #6957031

Radix Representation

Decimal 6957005
Binary 11010100010011111001101 (23 bits)
Octal 0o32423715
Hexadecimal 0x6A27CD

Divisor Catalog (5 of 8)

1 5 11 55 126,491

Collatz Trajectory (85 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.

6,957,005 20,871,016 10,435,508 5,217,754 2,608,877

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