λ
Sequence Observatory

8,631,892

22 × 271 × 7963
Deficient Even Composite

Starting at 8,631,892, the Collatz iteration reaches 1 after 67 steps. The first transition is 4315946; the starting value is even with 12 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 271 × 7963
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 15,163,456
Proper Divisor Sum 6,531,564
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #8631881 ← → #8631893

Radix Representation

Decimal 8631892
Binary 100000111011011001010100 (24 bits)
Octal 0o40733124
Hexadecimal 0x83B654

Divisor Catalog (5 of 12)

1 2 4 271 542

Collatz Trajectory (67 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.

8,631,892 4,315,946 2,157,973 6,473,920 3,236,960

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